2489928 has 32 divisors (see below), whose sum is σ = 7114560. Its totient is φ = 711360.

The previous prime is 2489923. The next prime is 2489933. The reversal of 2489928 is 8299842.

It is an interprime number because it is at equal distance from previous prime (2489923) and next prime (2489933).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2489928.

It is not an unprimeable number, because it can be changed into a prime (2489923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7243 + ... + 7578.

It is an arithmetic number, because the mean of its divisors is an integer number (222330).

2^2489928 is an apocalyptic number.

2489928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2489928 is an abundant number, since it is smaller than the sum of its proper divisors (4624632).

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

2489928 is a wasteful number, since it uses less digits than its factorization.

2489928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14837 (or 14833 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 2489928 is about 1577.9505695680. The cubic root of 2489928 is about 135.5383714170.

The spelling of 2489928 in words is "two million, four hundred eighty-nine thousand, nine hundred twenty-eight".