561836046 has 16 divisors (see below), whose sum is σ = 1154042064. Its totient is φ = 182217024.

The previous prime is 561836029. The next prime is 561836059. The reversal of 561836046 is 640638165.

It is a junction number, because it is equal to n+sod(n) for n = 561835995 and 561836013.

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, 1265175 + ... + 1265618.

It is an arithmetic number, because the mean of its divisors is an integer number (72127629).

Almost surely, 2^561836046 is an apocalyptic number.

561836046 is an abundant number, since it is smaller than the sum of its proper divisors (592206018).

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

561836046 is a wasteful number, since it uses less digits than its factorization.

561836046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530835.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 561836046 is about 23703.0809389834. The cubic root of 561836046 is about 825.1568950457.

The spelling of 561836046 in words is "five hundred sixty-one million, eight hundred thirty-six thousand, forty-six".