342604989 has 6 divisors (see below), whose sum is σ = 494873886. Its totient is φ = 228403320.

The previous prime is 342604921. The next prime is 342604991. The reversal of 342604989 is 989406243.

342604989 is a `hidden beast` number, since 34 + 2 + 604 + 9 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 322489764 + 20115225 = 17958^2 + 4485^2 .

It is not a de Polignac number, because 342604989 - 2⁷ = 342604861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342604919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19033602 + ... + 19033619.

It is an arithmetic number, because the mean of its divisors is an integer number (82478981).

Almost surely, 2^342604989 is an apocalyptic number.

It is an amenable number.

342604989 is a deficient number, since it is larger than the sum of its proper divisors (152268897).

342604989 is a wasteful number, since it uses less digits than its factorization.

342604989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38067227 (or 38067224 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 342604989 is about 18509.5918107342. The cubic root of 342604989 is about 699.7311818141.

The spelling of 342604989 in words is "three hundred forty-two million, six hundred four thousand, nine hundred eighty-nine".