345946992 has 20 divisors (see below), whose sum is σ = 893696520. Its totient is φ = 115315648.

The previous prime is 345946987. The next prime is 345946999. The reversal of 345946992 is 299649543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345946999) 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, 3603567 + ... + 3603662.

It is an arithmetic number, because the mean of its divisors is an integer number (44684826).

Almost surely, 2^345946992 is an apocalyptic number.

It is an amenable number.

345946992 is an abundant number, since it is smaller than the sum of its proper divisors (547749528).

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

345946992 is a wasteful number, since it uses less digits than its factorization.

345946992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207240 (or 7207234 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 345946992 is about 18599.6503192936. The cubic root of 345946992 is about 701.9990422143. Note that the first 3 decimals are identical.

The spelling of 345946992 in words is "three hundred forty-five million, nine hundred forty-six thousand, nine hundred ninety-two".