10400679 has 6 divisors (see below), whose sum is σ = 15023216. Its totient is φ = 6933780.

The previous prime is 10400659. The next prime is 10400681. The reversal of 10400679 is 97600401.

It is not a de Polignac number, because 10400679 - 2¹⁵ = 10367911 is a prime.

It is a super-2 number, since 2×10400679² = 216348247322082, 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 (10400639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577807 + ... + 577824.

Almost surely, 2^10400679 is an apocalyptic number.

10400679 is a deficient number, since it is larger than the sum of its proper divisors (4622537).

10400679 is a wasteful number, since it uses less digits than its factorization.

10400679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155637 (or 1155634 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 10400679 is about 3225.0083720822. The cubic root of 10400679 is about 218.2833268663.

It can be divided in two parts, 10 and 400679, that added together give a square (400689 = 633²).

The spelling of 10400679 in words is "ten million, four hundred thousand, six hundred seventy-nine".