10504989 has 24 divisors (see below), whose sum is σ = 17128800. Its totient is φ = 6145440.

The previous prime is 10504987. The next prime is 10504999. The reversal of 10504989 is 98940501.

It is not a de Polignac number, because 10504989 - 2¹ = 10504987 is a prime.

It is a super-2 number, since 2×10504989² = 220709587780242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10504987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1042 + ... + 4700.

It is an arithmetic number, because the mean of its divisors is an integer number (713700).

Almost surely, 2^10504989 is an apocalyptic number.

It is an amenable number.

10504989 is a deficient number, since it is larger than the sum of its proper divisors (6623811).

10504989 is a wasteful number, since it uses less digits than its factorization.

10504989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705 (or 3702 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 10504989 is about 3241.1400771951. The cubic root of 10504989 is about 219.0106331236.

The spelling of 10504989 in words is "ten million, five hundred four thousand, nine hundred eighty-nine".