3897792 has 84 divisors (see below), whose sum is σ = 11451336. Its totient is φ = 1267200.

The previous prime is 3897749. The next prime is 3897797. The reversal of 3897792 is 2977983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38542 + ... + 38642.

Almost surely, 2^3897792 is an apocalyptic number.

3897792 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3897792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5725668).

3897792 is an abundant number, since it is smaller than the sum of its proper divisors (7553544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3897792 is a wasteful number, since it uses less digits than its factorization.

3897792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 173 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 3897792 is about 1974.2826545356. The cubic root of 3897792 is about 157.3763807007.

The spelling of 3897792 in words is "three million, eight hundred ninety-seven thousand, seven hundred ninety-two".