3721896 has 32 divisors (see below), whose sum is σ = 10339200. Its totient is φ = 1240560.

The previous prime is 3721877. The next prime is 3721901. The reversal of 3721896 is 6981273.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3721896.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8400 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (323100).

Almost surely, 2^3721896 is an apocalyptic number.

3721896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3721896 is an abundant number, since it is smaller than the sum of its proper divisors (6617304).

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

3721896 is a wasteful number, since it uses less digits than its factorization.

3721896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17246 (or 17236 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3721896 is about 1929.2216046893. The cubic root of 3721896 is about 154.9725376251.

The spelling of 3721896 in words is "three million, seven hundred twenty-one thousand, eight hundred ninety-six".