2490378 has 32 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 744960.

The previous prime is 2490377. The next prime is 2490391. The reversal of 2490378 is 8730942.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2490377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6208 + ... + 6596.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

2^2490378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2490378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751840).

2490378 is an abundant number, since it is smaller than the sum of its proper divisors (3013302).

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

2490378 is a wasteful number, since it uses less digits than its factorization.

2490378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2490378 is about 1578.0931531440. The cubic root of 2490378 is about 135.5465361234.

2490378 divided by its sum of digits (33) gives a triangular number (75466 = T₃₈₈).

The spelling of 2490378 in words is "two million, four hundred ninety thousand, three hundred seventy-eight".