10685388 has 24 divisors (see below), whose sum is σ = 28494592. Its totient is φ = 3052944.

The previous prime is 10685387. The next prime is 10685407. The reversal of 10685388 is 88358601.

It is a happy number.

It is a super-2 number, since 2×10685388² = 228355033421088, which contains 22 as substring.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63520 + ... + 63687.

Almost surely, 2^10685388 is an apocalyptic number.

It is an amenable number.

10685388 is an abundant number, since it is smaller than the sum of its proper divisors (17809204).

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

10685388 is a wasteful number, since it uses less digits than its factorization.

10685388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127221 (or 127219 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 10685388 is about 3268.8511743424. The cubic root of 10685388 is about 220.2571923235.

The spelling of 10685388 in words is "ten million, six hundred eighty-five thousand, three hundred eighty-eight".