61904898 has 40 divisors (see below), whose sum is σ = 151327440. Its totient is φ = 18758520.

The previous prime is 61904897. The next prime is 61904911. The reversal of 61904898 is 89840916.

It is not an unprimeable number, because it can be changed into a prime (61904893) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15588 + ... + 19151.

It is an arithmetic number, because the mean of its divisors is an integer number (3783186).

Almost surely, 2^61904898 is an apocalyptic number.

61904898 is an abundant number, since it is smaller than the sum of its proper divisors (89422542).

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

61904898 is a wasteful number, since it uses less digits than its factorization.

61904898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34764 (or 34755 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 61904898 is about 7867.9665733911. The cubic root of 61904898 is about 395.5866899855.

The spelling of 61904898 in words is "sixty-one million, nine hundred four thousand, eight hundred ninety-eight".