61398430 has 32 divisors (see below), whose sum is σ = 112752000. Its totient is φ = 24068352.

The previous prime is 61398427. The next prime is 61398479. The reversal of 61398430 is 3489316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132379 + ... + 132841.

It is an arithmetic number, because the mean of its divisors is an integer number (3523500).

Almost surely, 2^61398430 is an apocalyptic number.

61398430 is a deficient number, since it is larger than the sum of its proper divisors (51353570).

61398430 is a wasteful number, since it uses less digits than its factorization.

61398430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 61398430 is about 7835.7150279984. The cubic root of 61398430 is about 394.5049183805.

The spelling of 61398430 in words is "sixty-one million, three hundred ninety-eight thousand, four hundred thirty".