10699940 has 24 divisors (see below), whose sum is σ = 22696632. Its totient is φ = 4236800.

The previous prime is 10699939. The next prime is 10699951. The reversal of 10699940 is 4999601.

It can be written as a sum of positive squares in 4 ways, for example, as 5354596 + 5345344 = 2314^2 + 2312^2 .

It is a super-2 number, since 2×10699940² = 228977432007200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10699894 and 10699903.

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, 629 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (945693).

Almost surely, 2^10699940 is an apocalyptic number.

10699940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10699940 is an abundant number, since it is smaller than the sum of its proper divisors (11996692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10699940 is a wasteful number, since it uses less digits than its factorization.

10699940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 10699940 is about 3271.0762754788. The cubic root of 10699940 is about 220.3571334381.

The spelling of 10699940 in words is "ten million, six hundred ninety-nine thousand, nine hundred forty".