346043340 has 120 divisors (see below), whose sum is σ = 1091491632. Its totient is φ = 91774080.

The previous prime is 346043323. The next prime is 346043353. The reversal of 346043340 is 43340643.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 367270 + ... + 368210.

Almost surely, 2^346043340 is an apocalyptic number.

346043340 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 346043340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545745816).

346043340 is an abundant number, since it is smaller than the sum of its proper divisors (745448292).

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

346043340 is a wasteful number, since it uses less digits than its factorization.

346043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 346043340 is about 18602.2401876763. The cubic root of 346043340 is about 702.0642062685.

Adding to 346043340 its reverse (43340643), we get a palindrome (389383983).

The spelling of 346043340 in words is "three hundred forty-six million, forty-three thousand, three hundred forty".