10204987 has 8 divisors (see below), whose sum is σ = 11030096. Its totient is φ = 9385632.

The previous prime is 10204979. The next prime is 10205009. The reversal of 10204987 is 78940201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10204987 - 2³ = 10204979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1378762).

Almost surely, 2^10204987 is an apocalyptic number.

10204987 is a deficient number, since it is larger than the sum of its proper divisors (825109).

10204987 is a wasteful number, since it uses less digits than its factorization.

10204987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 10204987 is about 3194.5245342617. The cubic root of 10204987 is about 216.9056269536.

The spelling of 10204987 in words is "ten million, two hundred four thousand, nine hundred eighty-seven".