10617988 has 6 divisors (see below), whose sum is σ = 18581486. Its totient is φ = 5308992.

The previous prime is 10617949. The next prime is 10617989. The reversal of 10617988 is 88971601.

It can be written as a sum of positive squares in only one way, i.e., 9253764 + 1364224 = 3042^2 + 1168^2 .

It is a super-2 number, since 2×10617988² = 225483338336288, 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 10617988.

It is not an unprimeable number, because it can be changed into a prime (10617989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327245 + ... + 1327252.

Almost surely, 2^10617988 is an apocalyptic number.

It is an amenable number.

10617988 is a deficient number, since it is larger than the sum of its proper divisors (7963498).

10617988 is a wasteful number, since it uses less digits than its factorization.

10617988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654501 (or 2654499 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 10617988 is about 3258.5254333824. The cubic root of 10617988 is about 219.7931112873.

The spelling of 10617988 in words is "ten million, six hundred seventeen thousand, nine hundred eighty-eight".