346396140 has 72 divisors (see below), whose sum is σ = 1052775360. Its totient is φ = 92193024.

The previous prime is 346396133. The next prime is 346396153. The reversal of 346396140 is 41693643.

346396140 is a `hidden beast` number, since 3 + 4 + 6 + 39 + 614 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 346396095 and 346396104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109501 + ... + 112619.

It is an arithmetic number, because the mean of its divisors is an integer number (14621880).

Almost surely, 2^346396140 is an apocalyptic number.

346396140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

346396140 is an abundant number, since it is smaller than the sum of its proper divisors (706379220).

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

346396140 is a wasteful number, since it uses less digits than its factorization.

346396140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 346396140 is about 18611.7205008027. The cubic root of 346396140 is about 702.3027160120.

The spelling of 346396140 in words is "three hundred forty-six million, three hundred ninety-six thousand, one hundred forty".