2489520 has 160 divisors (see below), whose sum is σ = 8999424. Its totient is φ = 563200.

The previous prime is 2489491. The next prime is 2489521. The reversal of 2489520 is 259842.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2489521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60700 + ... + 60740.

2^2489520 is an apocalyptic number.

2489520 is a gapful number since it is divisible by the number (20) 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 2489520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499712).

2489520 is an abundant number, since it is smaller than the sum of its proper divisors (6509904).

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

2489520 is a wasteful number, since it uses less digits than its factorization.

2489520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2489520 is about 1577.8212826553. The cubic root of 2489520 is about 135.5309678995.

The spelling of 2489520 in words is "two million, four hundred eighty-nine thousand, five hundred twenty".