345857938 has 8 divisors (see below), whose sum is σ = 519539760. Its totient is φ = 172678020.

The previous prime is 345857933. The next prime is 345857951. The reversal of 345857938 is 839758543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×345857938² = 239235426555223688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345857933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123748 + ... + 126511.

It is an arithmetic number, because the mean of its divisors is an integer number (64942470).

Almost surely, 2^345857938 is an apocalyptic number.

345857938 is a deficient number, since it is larger than the sum of its proper divisors (173681822).

345857938 is a wasteful number, since it uses less digits than its factorization.

345857938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250952.

The product of its digits is 3628800, while the sum is 52.

The square root of 345857938 is about 18597.2561954714. The cubic root of 345857938 is about 701.9388006270.

The spelling of 345857938 in words is "three hundred forty-five million, eight hundred fifty-seven thousand, nine hundred thirty-eight".