3972692 has 12 divisors (see below), whose sum is σ = 6984180. Its totient is φ = 1977216.

The previous prime is 3972671. The next prime is 3972697. The reversal of 3972692 is 2962793.

It can be written as a sum of positive squares in 2 ways, for example, as 1674436 + 2298256 = 1294^2 + 1516^2 .

It is a d-powerful number, because it can be written as 3¹³ + 9² + 7³ + 2⁷ + 6⁷ + 9³ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972697) 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, 1253 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (582015).

Almost surely, 2^3972692 is an apocalyptic number.

It is an amenable number.

3972692 is a deficient number, since it is larger than the sum of its proper divisors (3011488).

3972692 is a wasteful number, since it uses less digits than its factorization.

3972692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570 (or 4568 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 3972692 is about 1993.1613080732. The cubic root of 3972692 is about 158.3780404378.

It can be divided in two parts, 3972 and 692, that added together give a palindrome (4664).

The spelling of 3972692 in words is "three million, nine hundred seventy-two thousand, six hundred ninety-two".