10997938 has 16 divisors (see below), whose sum is σ = 19293120. Its totient is φ = 4603536.

The previous prime is 10997927. The next prime is 10997947. The reversal of 10997938 is 83979901.

10997938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8533 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (1205820).

Almost surely, 2^10997938 is an apocalyptic number.

10997938 is a deficient number, since it is larger than the sum of its proper divisors (8295182).

10997938 is a wasteful number, since it uses less digits than its factorization.

10997938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18321.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 10997938 is about 3316.3139175898. The cubic root of 10997938 is about 222.3841116826.

It can be divided in two parts, 10997 and 938, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 10997938 in words is "ten million, nine hundred ninety-seven thousand, nine hundred thirty-eight".