2470440 has 128 divisors (see below), whose sum is σ = 9020160. Its totient is φ = 528384.

The previous prime is 2470427. The next prime is 2470451. The reversal of 2470440 is 440742.

It is a super-2 number, since 2×2470440² = 12206147587200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14194 + ... + 14366.

It is an arithmetic number, because the mean of its divisors is an integer number (70470).

2^2470440 is an apocalyptic number.

2470440 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 2470440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4510080).

2470440 is an abundant number, since it is smaller than the sum of its proper divisors (6549720).

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

2470440 is a wasteful number, since it uses less digits than its factorization.

2470440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2470440 is about 1571.7633409645. The cubic root of 2470440 is about 135.1838373359.

The spelling of 2470440 in words is "two million, four hundred seventy thousand, four hundred forty".