3992602 has 4 divisors (see below), whose sum is σ = 5988906. Its totient is φ = 1996300.

The previous prime is 3992587. The next prime is 3992609. The reversal of 3992602 is 2062993.

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., 3956121 + 36481 = 1989^2 + 191^2 .

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 Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3992609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998149 + ... + 998152.

Almost surely, 2^3992602 is an apocalyptic number.

3992602 is a deficient number, since it is larger than the sum of its proper divisors (1996304).

3992602 is a wasteful number, since it uses less digits than its factorization.

3992602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996303.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3992602 is about 1998.1496440457. The cubic root of 3992602 is about 158.6421815272.

The spelling of 3992602 in words is "three million, nine hundred ninety-two thousand, six hundred two".