61895924 has 12 divisors (see below), whose sum is σ = 108375204. Its totient is φ = 30931584.

The previous prime is 61895917. The next prime is 61895959. The reversal of 61895924 is 42959816.

It can be written as a sum of positive squares in 2 ways, for example, as 38663524 + 23232400 = 6218^2 + 4820^2 .

It is a super-2 number, since 2×61895924² = 7662210815627552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9212 + ... + 14444.

It is an arithmetic number, because the mean of its divisors is an integer number (9031267).

Almost surely, 2^61895924 is an apocalyptic number.

It is an amenable number.

61895924 is a deficient number, since it is larger than the sum of its proper divisors (46479280).

61895924 is a wasteful number, since it uses less digits than its factorization.

61895924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194 (or 8192 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 61895924 is about 7867.3962656015. The cubic root of 61895924 is about 395.5675737463.

The spelling of 61895924 in words is "sixty-one million, eight hundred ninety-five thousand, nine hundred twenty-four".