3972590 has 8 divisors (see below), whose sum is σ = 7150680. Its totient is φ = 1589032.

The previous prime is 3972569. The next prime is 3972593. The reversal of 3972590 is 952793.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3972590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972593) 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, 198620 + ... + 198639.

It is an arithmetic number, because the mean of its divisors is an integer number (893835).

Almost surely, 2^3972590 is an apocalyptic number.

3972590 is a deficient number, since it is larger than the sum of its proper divisors (3178090).

3972590 is a wasteful number, since it uses less digits than its factorization.

3972590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397266.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 3972590 is about 1993.1357204164. The cubic root of 3972590 is about 158.3766849590.

It can be divided in two parts, 39 and 72590, that multiplied together give a triangular number (2831010 = T₂₃₇₉).

The spelling of 3972590 in words is "three million, nine hundred seventy-two thousand, five hundred ninety".