345872838 has 8 divisors (see below), whose sum is σ = 691745688. Its totient is φ = 115290944.

The previous prime is 345872801. The next prime is 345872851. The reversal of 345872838 is 838278543.

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

345872838 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28822731 + ... + 28822742.

It is an arithmetic number, because the mean of its divisors is an integer number (86468211).

Almost surely, 2^345872838 is an apocalyptic number.

345872838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

345872838 is a wasteful number, since it uses less digits than its factorization.

345872838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57645478.

The product of its digits is 1290240, while the sum is 48.

The square root of 345872838 is about 18597.6567878859. The cubic root of 345872838 is about 701.9488806211.

The spelling of 345872838 in words is "three hundred forty-five million, eight hundred seventy-two thousand, eight hundred thirty-eight".