3993502 has 4 divisors (see below), whose sum is σ = 5990256. Its totient is φ = 1996750.

The previous prime is 3993481. The next prime is 3993511. The reversal of 3993502 is 2053993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2053993 = 617 ⋅3329.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998374 + ... + 998377.

It is an arithmetic number, because the mean of its divisors is an integer number (1497564).

Almost surely, 2^3993502 is an apocalyptic number.

3993502 is a deficient number, since it is larger than the sum of its proper divisors (1996754).

3993502 is a wasteful number, since it uses less digits than its factorization.

3993502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996753.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 3993502 is about 1998.3748397135. The cubic root of 3993502 is about 158.6541008417.

The spelling of 3993502 in words is "three million, nine hundred ninety-three thousand, five hundred two".