2490454 has 4 divisors (see below), whose sum is σ = 3735684. Its totient is φ = 1245226.

The previous prime is 2490451. The next prime is 2490461. The reversal of 2490454 is 4540942.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2490454² = 12404722252232, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 4⁸ + 9² + 0 + 4⁸ + 5 + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622612 + ... + 622615.

It is an arithmetic number, because the mean of its divisors is an integer number (933921).

2^2490454 is an apocalyptic number.

2490454 is a deficient number, since it is larger than the sum of its proper divisors (1245230).

2490454 is a wasteful number, since it uses less digits than its factorization.

2490454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245229.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2490454 is about 1578.1172326542. The cubic root of 2490454 is about 135.5479149545.

The spelling of 2490454 in words is "two million, four hundred ninety thousand, four hundred fifty-four".