3721296 has 20 divisors (see below), whose sum is σ = 9613472. Its totient is φ = 1240416.

The previous prime is 3721279. The next prime is 3721297. The reversal of 3721296 is 6921273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721297) 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, 38716 + ... + 38811.

Almost surely, 2^3721296 is an apocalyptic number.

It is an amenable number.

3721296 is an abundant number, since it is smaller than the sum of its proper divisors (5892176).

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

3721296 is a wasteful number, since it uses less digits than its factorization.

3721296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77538 (or 77532 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 3721296 is about 1929.0660952907. The cubic root of 3721296 is about 154.9642095651.

The spelling of 3721296 in words is "three million, seven hundred twenty-one thousand, two hundred ninety-six".