10686428 has 6 divisors (see below), whose sum is σ = 18701256. Its totient is φ = 5343212.

The previous prime is 10686427. The next prime is 10686439. The reversal of 10686428 is 82468601.

It is a super-2 number, since 2×10686428² = 228399486798368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10686427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335800 + ... + 1335807.

It is an arithmetic number, because the mean of its divisors is an integer number (3116876).

Almost surely, 2^10686428 is an apocalyptic number.

It is an amenable number.

10686428 is a deficient number, since it is larger than the sum of its proper divisors (8014828).

10686428 is a wasteful number, since it uses less digits than its factorization.

10686428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671611 (or 2671609 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 10686428 is about 3269.0102477661. The cubic root of 10686428 is about 220.2643379087.

The spelling of 10686428 in words is "ten million, six hundred eighty-six thousand, four hundred twenty-eight".