10638442 has 16 divisors (see below), whose sum is σ = 17004960. Its totient is φ = 4977072.

The previous prime is 10638421. The next prime is 10638457. The reversal of 10638442 is 24483601.

It is a super-2 number, since 2×10638442² = 226352896374728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10638442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (1062810).

Almost surely, 2^10638442 is an apocalyptic number.

10638442 is a deficient number, since it is larger than the sum of its proper divisors (6366518).

10638442 is a wasteful number, since it uses less digits than its factorization.

10638442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 10638442 is about 3261.6624595442. The cubic root of 10638442 is about 219.9341538479.

The spelling of 10638442 in words is "ten million, six hundred thirty-eight thousand, four hundred forty-two".