102399386 has 16 divisors (see below), whose sum is σ = 162425088. Its totient is φ = 48338400.

The previous prime is 102399361. The next prime is 102399439. The reversal of 102399386 is 683993201.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

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, 17600 + ... + 22683.

It is an arithmetic number, because the mean of its divisors is an integer number (10151568).

Almost surely, 2^102399386 is an apocalyptic number.

102399386 is a deficient number, since it is larger than the sum of its proper divisors (60025702).

102399386 is a wasteful number, since it uses less digits than its factorization.

102399386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40357.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 102399386 is about 10119.2581743920. The cubic root of 102399386 is about 467.8419030357.

The spelling of 102399386 in words is "one hundred two million, three hundred ninety-nine thousand, three hundred eighty-six".