102399846 has 32 divisors (see below), whose sum is σ = 209891328. Its totient is φ = 33294240.

The previous prime is 102399827. The next prime is 102399859. The reversal of 102399846 is 648993201.

It is a junction number, because it is equal to n+sod(n) for n = 102399798 and 102399807.

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, 45381 + ... + 47583.

It is an arithmetic number, because the mean of its divisors is an integer number (6559104).

Almost surely, 2^102399846 is an apocalyptic number.

102399846 is an abundant number, since it is smaller than the sum of its proper divisors (107491482).

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

102399846 is a wasteful number, since it uses less digits than its factorization.

102399846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 102399846 is about 10119.2809033053. The cubic root of 102399846 is about 467.8426035834.

The spelling of 102399846 in words is "one hundred two million, three hundred ninety-nine thousand, eight hundred forty-six".