2489704 has 32 divisors (see below), whose sum is σ = 5569920. Its totient is φ = 1020096.

The previous prime is 2489687. The next prime is 2489713. The reversal of 2489704 is 4079842.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2489704.

It is an unprimeable number.

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, 322 + ... + 2254.

It is an arithmetic number, because the mean of its divisors is an integer number (174060).

2^2489704 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 2489704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2784960).

2489704 is an abundant number, since it is smaller than the sum of its proper divisors (3080216).

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

2489704 is a wasteful number, since it uses less digits than its factorization.

2489704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2489704 is about 1577.8795898293. The cubic root of 2489704 is about 135.5343068409.

The spelling of 2489704 in words is "two million, four hundred eighty-nine thousand, seven hundred four".