10438728 has 16 divisors (see below), whose sum is σ = 26096880. Its totient is φ = 3479568.

The previous prime is 10438717. The next prime is 10438739. The reversal of 10438728 is 82783401.

It is an interprime number because it is at equal distance from previous prime (10438717) and next prime (10438739).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217450 + ... + 217497.

It is an arithmetic number, because the mean of its divisors is an integer number (1631055).

Almost surely, 2^10438728 is an apocalyptic number.

It is an amenable number.

10438728 is an abundant number, since it is smaller than the sum of its proper divisors (15658152).

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

10438728 is a wasteful number, since it uses less digits than its factorization.

10438728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434956 (or 434952 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 10438728 is about 3230.9020412263. The cubic root of 10438728 is about 218.5491862661.

The spelling of 10438728 in words is "ten million, four hundred thirty-eight thousand, seven hundred twenty-eight".