2445400 has 24 divisors (see below), whose sum is σ = 5686020. Its totient is φ = 978080.

The previous prime is 2445389. The next prime is 2445409. The reversal of 2445400 is 45442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5914 + ... + 6313.

2^2445400 is an apocalyptic number.

2445400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445400 is an abundant number, since it is smaller than the sum of its proper divisors (3240620).

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

2445400 is a wasteful number, since it uses less digits than its factorization.

2445400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12243 (or 12234 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2445400 is about 1563.7774777762. Note that the first 3 decimals coincide. The cubic root of 2445400 is about 134.7255512614.

The spelling of 2445400 in words is "two million, four hundred forty-five thousand, four hundred".