7985403 has 6 divisors (see below), whose sum is σ = 11534484. Its totient is φ = 5323596.

The previous prime is 7985389. The next prime is 7985413. The reversal of 7985403 is 3045897.

It is not a de Polignac number, because 7985403 - 2⁴ = 7985387 is a prime.

It is a super-2 number, since 2×7985403² = 127533322144818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7985413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443625 + ... + 443642.

It is an arithmetic number, because the mean of its divisors is an integer number (1922414).

Almost surely, 2^7985403 is an apocalyptic number.

7985403 is a deficient number, since it is larger than the sum of its proper divisors (3549081).

7985403 is a wasteful number, since it uses less digits than its factorization.

7985403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887273 (or 887270 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7985403 is about 2825.8455371800. The cubic root of 7985403 is about 199.8782842748.

The spelling of 7985403 in words is "seven million, nine hundred eighty-five thousand, four hundred three".