561338392 has 8 divisors (see below), whose sum is σ = 1052509500. Its totient is φ = 280669192.

The previous prime is 561338389. The next prime is 561338411. The reversal of 561338392 is 293833165.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35083642 + ... + 35083657.

Almost surely, 2^561338392 is an apocalyptic number.

It is an amenable number.

561338392 is a deficient number, since it is larger than the sum of its proper divisors (491171108).

561338392 is a wasteful number, since it uses less digits than its factorization.

561338392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70167305 (or 70167301 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 561338392 is about 23692.5809484741. The cubic root of 561338392 is about 824.9131917232.

The spelling of 561338392 in words is "five hundred sixty-one million, three hundred thirty-eight thousand, three hundred ninety-two".