2039902 has 8 divisors (see below), whose sum is σ = 3065976. Its totient is φ = 1017912.

The previous prime is 2039899. The next prime is 2039903. The reversal of 2039902 is 2099302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2039902² = 8322400339208, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039903) 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 3 ways as a sum of consecutive naturals, for example, 1173 + ... + 2335.

It is an arithmetic number, because the mean of its divisors is an integer number (383247).

2^2039902 is an apocalyptic number.

2039902 is a deficient number, since it is larger than the sum of its proper divisors (1026074).

2039902 is a wasteful number, since it uses less digits than its factorization.

2039902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2039902 is about 1428.2513784345. The cubic root of 2039902 is about 126.8244831931.

The spelling of 2039902 in words is "two million, thirty-nine thousand, nine hundred two".