3972026 has 8 divisors (see below), whose sum is σ = 6271680. Its totient is φ = 1881468.

The previous prime is 3972019. The next prime is 3972029. The reversal of 3972026 is 6202793.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3972026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52226 + ... + 52301.

It is an arithmetic number, because the mean of its divisors is an integer number (783960).

Almost surely, 2^3972026 is an apocalyptic number.

3972026 is a deficient number, since it is larger than the sum of its proper divisors (2299654).

3972026 is a wasteful number, since it uses less digits than its factorization.

3972026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104548.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3972026 is about 1992.9942297960. The cubic root of 3972026 is about 158.3691895402.

The spelling of 3972026 in words is "three million, nine hundred seventy-two thousand, twenty-six".