2451380 has 24 divisors (see below), whose sum is σ = 5419680. Its totient is φ = 928800.

The previous prime is 2451377. The next prime is 2451389. The reversal of 2451380 is 831542.

It is a super-4 number, since 4×2451380⁴ (a number of 27 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2846 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (225820).

2^2451380 is an apocalyptic number.

2451380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451380 is an abundant number, since it is smaller than the sum of its proper divisors (2968300).

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

2451380 is a wasteful number, since it uses less digits than its factorization.

2451380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479 (or 6477 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2451380 is about 1565.6883470218. The cubic root of 2451380 is about 134.8352814986.

The spelling of 2451380 in words is "two million, four hundred fifty-one thousand, three hundred eighty".