10391004 has 60 divisors (see below), whose sum is σ = 29265544. Its totient is φ = 3195936.

The previous prime is 10390997. The next prime is 10391023. The reversal of 10391004 is 40019301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2979 + ... + 5445.

Almost surely, 2^10391004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10391004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14632772).

10391004 is an abundant number, since it is smaller than the sum of its proper divisors (18874540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10391004 is a wasteful number, since it uses less digits than its factorization.

10391004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10391004 is about 3223.5080269793. The cubic root of 10391004 is about 218.2156214671.

The spelling of 10391004 in words is "ten million, three hundred ninety-one thousand, four".