2499378 has 16 divisors (see below), whose sum is σ = 5712960. Its totient is φ = 714096.

The previous prime is 2499373. The next prime is 2499383. The reversal of 2499378 is 8739942.

It is an interprime number because it is at equal distance from previous prime (2499373) and next prime (2499383).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 59509 = 2499378 / (2 + 4 + 9 + 9 + 3 + 7 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2499373) 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, 29713 + ... + 29796.

It is an arithmetic number, because the mean of its divisors is an integer number (357060).

2^2499378 is an apocalyptic number.

2499378 is an abundant number, since it is smaller than the sum of its proper divisors (3213582).

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

2499378 is a wasteful number, since it uses less digits than its factorization.

2499378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59521.

The product of its digits is 108864, while the sum is 42.

The square root of 2499378 is about 1580.9421241779. The cubic root of 2499378 is about 135.7096241111.

The spelling of 2499378 in words is "two million, four hundred ninety-nine thousand, three hundred seventy-eight".