342946520 has 32 divisors (see below), whose sum is σ = 881863200. Its totient is φ = 117581568.

The previous prime is 342946501. The next prime is 342946531. The reversal of 342946520 is 25649243.

It is a super-2 number, since 2×342946520² = 235224631160220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 612125 + ... + 612684.

It is an arithmetic number, because the mean of its divisors is an integer number (27558225).

Almost surely, 2^342946520 is an apocalyptic number.

It is an amenable number.

342946520 is an abundant number, since it is smaller than the sum of its proper divisors (538916680).

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

342946520 is a wasteful number, since it uses less digits than its factorization.

342946520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224827 (or 1224823 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 342946520 is about 18518.8152968812. The cubic root of 342946520 is about 699.9636171566.

The spelling of 342946520 in words is "three hundred forty-two million, nine hundred forty-six thousand, five hundred twenty".