561833970 has 32 divisors (see below), whose sum is σ = 1349592192. Its totient is φ = 149690112.

The previous prime is 561833959. The next prime is 561833977. The reversal of 561833970 is 79338165.

It is not an unprimeable number, because it can be changed into a prime (561833977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29034 + ... + 44346.

It is an arithmetic number, because the mean of its divisors is an integer number (42174756).

Almost surely, 2^561833970 is an apocalyptic number.

561833970 is an abundant number, since it is smaller than the sum of its proper divisors (787758222).

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

561833970 is a wasteful number, since it uses less digits than its factorization.

561833970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16546.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 561833970 is about 23703.0371471674. The cubic root of 561833970 is about 825.1558787184.

The spelling of 561833970 in words is "five hundred sixty-one million, eight hundred thirty-three thousand, nine hundred seventy".