102386487 has 32 divisors (see below), whose sum is σ = 159704064. Its totient is φ = 57139200.

The previous prime is 102386467. The next prime is 102386489. The reversal of 102386487 is 784683201.

It is not a de Polignac number, because 102386487 - 2⁶ = 102386423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102386489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329062 + ... + 329372.

It is an arithmetic number, because the mean of its divisors is an integer number (4990752).

Almost surely, 2^102386487 is an apocalyptic number.

102386487 is a deficient number, since it is larger than the sum of its proper divisors (57317577).

102386487 is a wasteful number, since it uses less digits than its factorization.

102386487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 102386487 is about 10118.6208052283. The cubic root of 102386487 is about 467.8222579110.

The spelling of 102386487 in words is "one hundred two million, three hundred eighty-six thousand, four hundred eighty-seven".