2489924 has 6 divisors (see below), whose sum is σ = 4357374. Its totient is φ = 1244960.

The previous prime is 2489923. The next prime is 2489933. The reversal of 2489924 is 4299842.

It can be written as a sum of positive squares in only one way, i.e., 1643524 + 846400 = 1282^2 + 920^2 .

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 as a sum of consecutive naturals, namely, 311237 + ... + 311244.

It is an arithmetic number, because the mean of its divisors is an integer number (726229).

2^2489924 is an apocalyptic number.

It is an amenable number.

2489924 is a deficient number, since it is larger than the sum of its proper divisors (1867450).

2489924 is a wasteful number, since it uses less digits than its factorization.

2489924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622485 (or 622483 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 2489924 is about 1577.9493021007. The cubic root of 2489924 is about 135.5382988374.

The spelling of 2489924 in words is "two million, four hundred eighty-nine thousand, nine hundred twenty-four".