10399142 has 16 divisors (see below), whose sum is σ = 17031840. Its totient is φ = 4732992.

The previous prime is 10399127. The next prime is 10399171. The reversal of 10399142 is 24199301.

It is a happy number.

It is a congruent number.

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, 842 + ... + 4637.

It is an arithmetic number, because the mean of its divisors is an integer number (1064490).

Almost surely, 2^10399142 is an apocalyptic number.

10399142 is a deficient number, since it is larger than the sum of its proper divisors (6632698).

10399142 is a wasteful number, since it uses less digits than its factorization.

10399142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 10399142 is about 3224.7700693228. The cubic root of 10399142 is about 218.2725737863.

The spelling of 10399142 in words is "ten million, three hundred ninety-nine thousand, one hundred forty-two".