10638674 has 4 divisors (see below), whose sum is σ = 15958014. Its totient is φ = 5319336.

The previous prime is 10638631. The next prime is 10638697. The reversal of 10638674 is 47683601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47683601 = 7 ⋅6811943.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 30625 = 3257^2 + 175^2 .

It is a super-2 number, since 2×10638674² = 226362768956552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659667 + ... + 2659670.

Almost surely, 2^10638674 is an apocalyptic number.

10638674 is a deficient number, since it is larger than the sum of its proper divisors (5319340).

10638674 is an equidigital number, since it uses as much as digits as its factorization.

10638674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319339.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 10638674 is about 3261.6980240359. The cubic root of 10638674 is about 219.9357525893.

The spelling of 10638674 in words is "ten million, six hundred thirty-eight thousand, six hundred seventy-four".