345803772 has 24 divisors (see below), whose sum is σ = 834699600. Its totient is φ = 111293056.

The previous prime is 345803761. The next prime is 345803789. The reversal of 345803772 is 277308543.

It is a self number, because there is not a number n which added to its sum of digits gives 345803772.

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, 496497 + ... + 497192.

It is an arithmetic number, because the mean of its divisors is an integer number (34779150).

Almost surely, 2^345803772 is an apocalyptic number.

It is an amenable number.

345803772 is an abundant number, since it is smaller than the sum of its proper divisors (488895828).

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

345803772 is a wasteful number, since it uses less digits than its factorization.

345803772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993725 (or 993723 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 345803772 is about 18595.7998483529. The cubic root of 345803772 is about 701.9021543647.

The spelling of 345803772 in words is "three hundred forty-five million, eight hundred three thousand, seven hundred seventy-two".