61936488 has 40 divisors (see below), whose sum is σ = 173481330. Its totient is φ = 20645280.

The previous prime is 61936487. The next prime is 61936499. The reversal of 61936488 is 88463916.

It can be written as a sum of positive squares in only one way, i.e., 32970564 + 28965924 = 5742^2 + 5382^2 .

It is a super-2 number, since 2×61936488² = 7672257091548288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (61936487) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47143 + ... + 48438.

Almost surely, 2^61936488 is an apocalyptic number.

It is an amenable number.

61936488 is an abundant number, since it is smaller than the sum of its proper divisors (111544842).

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

61936488 is a wasteful number, since it uses less digits than its factorization.

61936488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95599 (or 95586 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 61936488 is about 7869.9738246070. The cubic root of 61936488 is about 395.6539676909.

The spelling of 61936488 in words is "sixty-one million, nine hundred thirty-six thousand, four hundred eighty-eight".