10399388 has 6 divisors (see below), whose sum is σ = 18198936. Its totient is φ = 5199692.

The previous prime is 10399387. The next prime is 10399409. The reversal of 10399388 is 88399301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10399387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299920 + ... + 1299927.

It is an arithmetic number, because the mean of its divisors is an integer number (3033156).

Almost surely, 2^10399388 is an apocalyptic number.

It is an amenable number.

10399388 is a deficient number, since it is larger than the sum of its proper divisors (7799548).

10399388 is a wasteful number, since it uses less digits than its factorization.

10399388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599851 (or 2599849 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 10399388 is about 3224.8082113515. The cubic root of 10399388 is about 218.2742949100.

The spelling of 10399388 in words is "ten million, three hundred ninety-nine thousand, three hundred eighty-eight".