3899002 has 4 divisors (see below), whose sum is σ = 5848506. Its totient is φ = 1949500.

The previous prime is 3898991. The next prime is 3899011. The reversal of 3899002 is 2009983.

It is a happy number.

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., 3884841 + 14161 = 1971^2 + 119^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974749 + ... + 974752.

Almost surely, 2^3899002 is an apocalyptic number.

3899002 is a deficient number, since it is larger than the sum of its proper divisors (1949504).

3899002 is a wasteful number, since it uses less digits than its factorization.

3899002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949503.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3899002 is about 1974.5890711741. The cubic root of 3899002 is about 157.3926639126.

The spelling of 3899002 in words is "three million, eight hundred ninety-nine thousand, two".