10638437 has 4 divisors (see below), whose sum is σ = 10758060. Its totient is φ = 10518816.

The previous prime is 10638421. The next prime is 10638457. The reversal of 10638437 is 73483601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73483601 = 139 ⋅528659.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 7230721 = 1846^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 10638437 - 2⁴ = 10638421 is a prime.

It is a super-2 number, since 2×10638437² = 226352683605938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10638457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59678 + ... + 59855.

It is an arithmetic number, because the mean of its divisors is an integer number (2689515).

Almost surely, 2^10638437 is an apocalyptic number.

It is an amenable number.

10638437 is a deficient number, since it is larger than the sum of its proper divisors (119623).

10638437 is an equidigital number, since it uses as much as digits as its factorization.

10638437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119622.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 10638437 is about 3261.6616930638. The cubic root of 10638437 is about 219.9341193920.

The spelling of 10638437 in words is "ten million, six hundred thirty-eight thousand, four hundred thirty-seven".