346277140 has 48 divisors (see below), whose sum is σ = 795574080. Its totient is φ = 125556480.

The previous prime is 346277123. The next prime is 346277171. The reversal of 346277140 is 41772643.

It is a junction number, because it is equal to n+sod(n) for n = 346277096 and 346277105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81304 + ... + 85456.

It is an arithmetic number, because the mean of its divisors is an integer number (16574460).

Almost surely, 2^346277140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346277140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397787040).

346277140 is an abundant number, since it is smaller than the sum of its proper divisors (449296940).

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

346277140 is a wasteful number, since it uses less digits than its factorization.

346277140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552 (or 4550 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 346277140 is about 18608.5233159432. The cubic root of 346277140 is about 702.2222844044. Note that the first 4 decimals are identical.

The spelling of 346277140 in words is "three hundred forty-six million, two hundred seventy-seven thousand, one hundred forty".