342561916 has 12 divisors (see below), whose sum is σ = 606706632. Its totient is φ = 169217168.

The previous prime is 342561913. The next prime is 342561937. The reversal of 342561916 is 619165243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342561913) 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, 515575 + ... + 516238.

It is an arithmetic number, because the mean of its divisors is an integer number (50558886).

Almost surely, 2^342561916 is an apocalyptic number.

It is an amenable number.

342561916 is a deficient number, since it is larger than the sum of its proper divisors (264144716).

342561916 is a wasteful number, since it uses less digits than its factorization.

342561916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031900 (or 1031898 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 342561916 is about 18508.4282422901. The cubic root of 342561916 is about 699.7018567066.

It can be divided in two parts, 3425 and 61916, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 342561916 in words is "three hundred forty-two million, five hundred sixty-one thousand, nine hundred sixteen".