61896308 has 12 divisors (see below), whose sum is σ = 109009572. Its totient is φ = 30750720.

The previous prime is 61896299. The next prime is 61896311. The reversal of 61896308 is 80369816.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20268004 + 41628304 = 4502^2 + 6452^2 .

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, 48653 + ... + 49908.

It is an arithmetic number, because the mean of its divisors is an integer number (9084131).

Almost surely, 2^61896308 is an apocalyptic number.

It is an amenable number.

61896308 is a deficient number, since it is larger than the sum of its proper divisors (47113264).

61896308 is a wasteful number, since it uses less digits than its factorization.

61896308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98722 (or 98720 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 61896308 is about 7867.4206700799. The cubic root of 61896308 is about 395.5683917735.

The spelling of 61896308 in words is "sixty-one million, eight hundred ninety-six thousand, three hundred eight".