3721488 has 80 divisors (see below), whose sum is σ = 10332672. Its totient is φ = 1152000.

The previous prime is 3721477. The next prime is 3721489. The reversal of 3721488 is 8841273.

It is not an unprimeable number, because it can be changed into a prime (3721489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60978 + ... + 61038.

Almost surely, 2^3721488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3721488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5166336).

3721488 is an abundant number, since it is smaller than the sum of its proper divisors (6611184).

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

3721488 is a wasteful number, since it uses less digits than its factorization.

3721488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 138 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 3721488 is about 1929.1158596621. The cubic root of 3721488 is about 154.9668746416.

It can be divided in two parts, 3721 and 488, that multiplied together give a cube (1815848 = 122³).

The spelling of 3721488 in words is "three million, seven hundred twenty-one thousand, four hundred eighty-eight".