10388490 has 96 divisors (see below), whose sum is σ = 29942784. Its totient is φ = 2298240.

The previous prime is 10388489. The next prime is 10388491. The reversal of 10388490 is 9488301.

It is an interprime number because it is at equal distance from previous prime (10388489) and next prime (10388491).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (10388491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54295 + ... + 54485.

It is an arithmetic number, because the mean of its divisors is an integer number (311904).

Almost surely, 2^10388490 is an apocalyptic number.

10388490 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 10388490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14971392).

10388490 is an abundant number, since it is smaller than the sum of its proper divisors (19554294).

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

10388490 is a wasteful number, since it uses less digits than its factorization.

10388490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 10388490 is about 3223.1180555481. The cubic root of 10388490 is about 218.1980216817.

It can be divided in two parts, 10388 and 490, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 10388490 in words is "ten million, three hundred eighty-eight thousand, four hundred ninety".