98699939 has 16 divisors (see below), whose sum is σ = 111815424. Its totient is φ = 86486400.

The previous prime is 98699933. The next prime is 98699947. The reversal of 98699939 is 93999689.

98699939 = 391² + 392² + ... + 708².

It is not a de Polignac number, because 98699939 - 2¹² = 98695843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98699933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19049 + ... + 23669.

It is an arithmetic number, because the mean of its divisors is an integer number (6988464).

Almost surely, 2^98699939 is an apocalyptic number.

98699939 is a deficient number, since it is larger than the sum of its proper divisors (13115485).

98699939 is a wasteful number, since it uses less digits than its factorization.

98699939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

The product of its digits is 8503056, while the sum is 62.

The square root of 98699939 is about 9934.7842955949. The cubic root of 98699939 is about 462.1386536230.

The spelling of 98699939 in words is "ninety-eight million, six hundred ninety-nine thousand, nine hundred thirty-nine".