3972794 has 8 divisors (see below), whose sum is σ = 6810528. Its totient is φ = 1702620.

The previous prime is 3972791. The next prime is 3972809. The reversal of 3972794 is 4972793.

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

It is not an unprimeable number, because it can be changed into a prime (3972791) 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, 141872 + ... + 141899.

It is an arithmetic number, because the mean of its divisors is an integer number (851316).

Almost surely, 2^3972794 is an apocalyptic number.

3972794 is a deficient number, since it is larger than the sum of its proper divisors (2837734).

3972794 is a wasteful number, since it uses less digits than its factorization.

3972794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283780.

The product of its digits is 95256, while the sum is 41.

The square root of 3972794 is about 1993.1868954014. The cubic root of 3972794 is about 158.3793958933.

Subtracting 3972794 from its reverse (4972793), we obtain a palindrome (999999).

The spelling of 3972794 in words is "three million, nine hundred seventy-two thousand, seven hundred ninety-four".