4387152 has 80 divisors (see below), whose sum is σ = 14141952. Its totient is φ = 1138560.

The previous prime is 4387147. The next prime is 4387153. The reversal of 4387152 is 2517834.

It is a super-2 number, since 2×4387152² = 38494205342208, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 3¹¹ + 8² + 7 + 1 + 5⁶ + 2²² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387153) 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, 3103 + ... + 4289.

Almost surely, 2^4387152 is an apocalyptic number.

4387152 is a gapful number since it is divisible by the number (42) 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 4387152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7070976).

4387152 is an abundant number, since it is smaller than the sum of its proper divisors (9754800).

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

4387152 is a wasteful number, since it uses less digits than its factorization.

4387152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 4387152 is about 2094.5529355927. The cubic root of 4387152 is about 163.7046040858.

The spelling of 4387152 in words is "four million, three hundred eighty-seven thousand, one hundred fifty-two".