7940259 has 6 divisors (see below), whose sum is σ = 11469276. Its totient is φ = 5293500.

The previous prime is 7940249. The next prime is 7940269. The reversal of 7940259 is 9520497.

It is an interprime number because it is at equal distance from previous prime (7940249) and next prime (7940269).

It is not a de Polignac number, because 7940259 - 2⁴ = 7940243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7940209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441117 + ... + 441134.

It is an arithmetic number, because the mean of its divisors is an integer number (1911546).

Almost surely, 2^7940259 is an apocalyptic number.

7940259 is a deficient number, since it is larger than the sum of its proper divisors (3529017).

7940259 is a wasteful number, since it uses less digits than its factorization.

7940259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882257 (or 882254 counting only the distinct ones).

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

The square root of 7940259 is about 2817.8465181766. The cubic root of 7940259 is about 199.5009139348.

The spelling of 7940259 in words is "seven million, nine hundred forty thousand, two hundred fifty-nine".