7920459 has 12 divisors (see below), whose sum is σ = 11509056. Its totient is φ = 5248752.

The previous prime is 7920457. The next prime is 7920463. The reversal of 7920459 is 9540297.

It is not a de Polignac number, because 7920459 - 2¹ = 7920457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7920457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987 + ... + 4100.

It is an arithmetic number, because the mean of its divisors is an integer number (959088).

Almost surely, 2^7920459 is an apocalyptic number.

7920459 is a deficient number, since it is larger than the sum of its proper divisors (3588597).

7920459 is a wasteful number, since it uses less digits than its factorization.

7920459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 7920459 is about 2814.3310039866. The cubic root of 7920459 is about 199.3349493225.

The spelling of 7920459 in words is "seven million, nine hundred twenty thousand, four hundred fifty-nine".