2490000 has 100 divisors (see below), whose sum is σ = 8134896. Its totient is φ = 656000.

The previous prime is 2489999. The next prime is 2490023. The reversal of 2490000 is 942.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29959 + ... + 30041.

2^2490000 is an apocalyptic number.

2490000 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 2490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4067448).

2490000 is an abundant number, since it is smaller than the sum of its proper divisors (5644896).

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

2490000 is an equidigital number, since it uses as much as digits as its factorization.

2490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2490000 is about 1577.9733838060. The cubic root of 2490000 is about 135.5396778361.

Adding to 2490000 its reverse (942), we get a palindrome (2490942).

The spelling of 2490000 in words is "two million, four hundred ninety thousand".