345874940 has 24 divisors (see below), whose sum is σ = 728130480. Its totient is φ = 138008448.

The previous prime is 345874939. The next prime is 345874961. The reversal of 345874940 is 49478543.

It is a super-4 number, since 4×345874940⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345874891 and 345874900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12962 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (30338770).

Almost surely, 2^345874940 is an apocalyptic number.

It is an amenable number.

345874940 is an abundant number, since it is smaller than the sum of its proper divisors (382255540).

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

345874940 is a wasteful number, since it uses less digits than its factorization.

345874940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42701 (or 42699 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 345874940 is about 18597.7133002958. The cubic root of 345874940 is about 701.9503026211.

The spelling of 345874940 in words is "three hundred forty-five million, eight hundred seventy-four thousand, nine hundred forty".