3971590 has 16 divisors (see below), whose sum is σ = 8170272. Its totient is φ = 1361664.

The previous prime is 3971587. The next prime is 3971599. The reversal of 3971590 is 951793.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3971599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28299 + ... + 28438.

It is an arithmetic number, because the mean of its divisors is an integer number (510642).

Almost surely, 2^3971590 is an apocalyptic number.

3971590 is an abundant number, since it is smaller than the sum of its proper divisors (4198682).

3971590 is a wasteful number, since it uses less digits than its factorization.

3971590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56751.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 3971590 is about 1992.8848436375. The cubic root of 3971590 is about 158.3633947230.

The spelling of 3971590 in words is "three million, nine hundred seventy-one thousand, five hundred ninety".