2478899 has 2 divisors, whose sum is σ = 2478900. Its totient is φ = 2478898.

The previous prime is 2478877. The next prime is 2478937. The reversal of 2478899 is 9988742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478899 - 2⁸ = 2478643 is a prime.

It is a super-2 number, since 2×2478899² = 12289880504402, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2478809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239449 + 1239450.

It is an arithmetic number, because the mean of its divisors is an integer number (1239450).

2^2478899 is an apocalyptic number.

2478899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478899 is an equidigital number, since it uses as much as digits as its factorization.

2478899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 47.

The square root of 2478899 is about 1574.4519681464. The cubic root of 2478899 is about 135.3379552780.

The spelling of 2478899 in words is "two million, four hundred seventy-eight thousand, eight hundred ninety-nine".