61895984 has 20 divisors (see below), whose sum is σ = 120445416. Its totient is φ = 30813312.

The previous prime is 61895983. The next prime is 61895987. The reversal of 61895984 is 48959816.

It is a happy number.

It is a super-2 number, since 2×61895984² = 7662225670656512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61895983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4574 + ... + 12029.

Almost surely, 2^61895984 is an apocalyptic number.

It is an amenable number.

61895984 is a deficient number, since it is larger than the sum of its proper divisors (58549432).

61895984 is a wasteful number, since it uses less digits than its factorization.

61895984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16844 (or 16838 counting only the distinct ones).

The product of its digits is 622080, while the sum is 50.

The square root of 61895984 is about 7867.4000788062. The cubic root of 61895984 is about 395.5677015633.

The spelling of 61895984 in words is "sixty-one million, eight hundred ninety-five thousand, nine hundred eighty-four".