7628985 has 112 divisors (see below), whose sum is σ = 17627904. Its totient is φ = 3079296.

The previous prime is 7628981. The next prime is 7628987. The reversal of 7628985 is 5898267.

7628985 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7628985 - 2² = 7628981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

7628985 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 7628985.

It is not an unprimeable number, because it can be changed into a prime (7628981) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 331684 + ... + 331706.

It is an arithmetic number, because the mean of its divisors is an integer number (157392).

Almost surely, 2^7628985 is an apocalyptic number.

It is an amenable number.

7628985 is an abundant number, since it is smaller than the sum of its proper divisors (9998919).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7628985 is a wasteful number, since it uses less digits than its factorization.

7628985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 51 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 7628985 is about 2762.0617299402. The cubic root of 7628985 is about 196.8591415798.

The spelling of 7628985 in words is "seven million, six hundred twenty-eight thousand, nine hundred eighty-five".