61939498 has 16 divisors (see below), whose sum is σ = 94815360. Its totient is φ = 30338176.

The previous prime is 61939469. The next prime is 61939523. The reversal of 61939498 is 89493916.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40911 + ... + 42397.

It is an arithmetic number, because the mean of its divisors is an integer number (5925960).

Almost surely, 2^61939498 is an apocalyptic number.

61939498 is a deficient number, since it is larger than the sum of its proper divisors (32875862).

61939498 is a wasteful number, since it uses less digits than its factorization.

61939498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901.

The product of its digits is 419904, while the sum is 49.

The square root of 61939498 is about 7870.1650554483. The cubic root of 61939498 is about 395.6603769401.

The spelling of 61939498 in words is "sixty-one million, nine hundred thirty-nine thousand, four hundred ninety-eight".