3928488 has 32 divisors (see below), whose sum is σ = 9884160. Its totient is φ = 1301120.

The previous prime is 3928487. The next prime is 3928493. The reversal of 3928488 is 8848293.

It is a happy number.

It is a super-3 number, since 3×3928488³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3928487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4156 + ... + 5012.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

Almost surely, 2^3928488 is an apocalyptic number.

It is an amenable number.

3928488 is an abundant number, since it is smaller than the sum of its proper divisors (5955672).

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

3928488 is a wasteful number, since it uses less digits than its factorization.

3928488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1053 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 3928488 is about 1982.0413719194. The cubic root of 3928488 is about 157.7884258869.

The spelling of 3928488 in words is "three million, nine hundred twenty-eight thousand, four hundred eighty-eight".