10685380 has 24 divisors (see below), whose sum is σ = 22545432. Its totient is φ = 4253952.

The previous prime is 10685377. The next prime is 10685387. The reversal of 10685380 is 8358601.

It can be written as a sum of positive squares in 4 ways, for example, as 31684 + 10653696 = 178^2 + 3264^2 .

It is a super-2 number, since 2×10685380² = 228354691488800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10685387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3514 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (939393).

Almost surely, 2^10685380 is an apocalyptic number.

10685380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10685380 is an abundant number, since it is smaller than the sum of its proper divisors (11860052).

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

10685380 is a wasteful number, since it uses less digits than its factorization.

10685380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10685380 is about 3268.8499506707. The cubic root of 10685380 is about 220.2571373557.

The spelling of 10685380 in words is "ten million, six hundred eighty-five thousand, three hundred eighty".