61395408 has 60 divisors (see below), whose sum is σ = 178196928. Its totient is φ = 20463840.

The previous prime is 61395401. The next prime is 61395413. The reversal of 61395408 is 80459316.

It is a super-2 number, since 2×61395408² = 7538792246972928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61395401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4008 + ... + 11783.

Almost surely, 2^61395408 is an apocalyptic number.

It is an amenable number.

61395408 is an abundant number, since it is smaller than the sum of its proper divisors (116801520).

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

61395408 is a wasteful number, since it uses less digits than its factorization.

61395408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814 (or 15796 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 61395408 is about 7835.5221906392. The cubic root of 61395408 is about 394.4984458294.

The spelling of 61395408 in words is "sixty-one million, three hundred ninety-five thousand, four hundred eight".