102939008 has 16 divisors (see below), whose sum is σ = 205074060. Its totient is φ = 51469440.

The previous prime is 102938981. The next prime is 102939013. The reversal of 102939008 is 800939201.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401978 + ... + 402233.

Almost surely, 2^102939008 is an apocalyptic number.

It is an amenable number.

102939008 is a deficient number, since it is larger than the sum of its proper divisors (102135052).

102939008 is an frugal number, since it uses more digits than its factorization.

102939008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804225 (or 804213 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 102939008 is about 10145.8862599578. The cubic root of 102939008 is about 468.6622712740.

The spelling of 102939008 in words is "one hundred two million, nine hundred thirty-nine thousand, eight".