346027140 has 132 divisors (see below), whose sum is σ = 1093699404. Its totient is φ = 91958976.

The previous prime is 346027139. The next prime is 346027141. The reversal of 346027140 is 41720643.

It is an interprime number because it is at equal distance from previous prime (346027139) and next prime (346027141).

It can be written as a sum of positive squares in 2 ways, for example, as 241864704 + 104162436 = 15552^2 + 10206^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (346027141) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 1180834 + ... + 1181126.

Almost surely, 2^346027140 is an apocalyptic number.

346027140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346027140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546849702).

346027140 is an abundant number, since it is smaller than the sum of its proper divisors (747672264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

346027140 is an equidigital number, since it uses as much as digits as its factorization.

346027140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 346027140 is about 18601.8047511525. The cubic root of 346027140 is about 702.0532503984.

Adding to 346027140 its reverse (41720643), we get a palindrome (387747783).

The spelling of 346027140 in words is "three hundred forty-six million, twenty-seven thousand, one hundred forty".