10039402 has 4 divisors (see below), whose sum is σ = 15059106. Its totient is φ = 5019700.

The previous prime is 10039387. The next prime is 10039409. The reversal of 10039402 is 20493001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9916201 + 123201 = 3149^2 + 351^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10039402.

It is not an unprimeable number, because it can be changed into a prime (10039409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509849 + ... + 2509852.

Almost surely, 2^10039402 is an apocalyptic number.

10039402 is a deficient number, since it is larger than the sum of its proper divisors (5019704).

10039402 is an equidigital number, since it uses as much as digits as its factorization.

10039402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019703.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10039402 is about 3168.5015385826. The cubic root of 10039402 is about 215.7260616226.

The spelling of 10039402 in words is "ten million, thirty-nine thousand, four hundred two".