10402590 has 64 divisors (see below), whose sum is σ = 28200960. Its totient is φ = 2432640.

The previous prime is 10402583. The next prime is 10402607. The reversal of 10402590 is 9520401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9027 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (440640).

Almost surely, 2^10402590 is an apocalyptic number.

10402590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10402590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14100480).

10402590 is an abundant number, since it is smaller than the sum of its proper divisors (17798370).

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

10402590 is a wasteful number, since it uses less digits than its factorization.

10402590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10402590 is about 3225.3046367746. The cubic root of 10402590 is about 218.2966950285.

Adding to 10402590 its reverse (9520401), we get a palindrome (19922991).

The spelling of 10402590 in words is "ten million, four hundred two thousand, five hundred ninety".