102857684 has 48 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 46525440.

The previous prime is 102857641. The next prime is 102857737. The reversal of 102857684 is 486758201.

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

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, 220019 + ... + 220485.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^102857684 is an apocalyptic number.

It is an amenable number.

102857684 is a deficient number, since it is larger than the sum of its proper divisors (95274796).

102857684 is a wasteful number, since it uses less digits than its factorization.

102857684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 102857684 is about 10141.8777354098. The cubic root of 102857684 is about 468.5388210468.

The spelling of 102857684 in words is "one hundred two million, eight hundred fifty-seven thousand, six hundred eighty-four".