626098985 has 16 divisors (see below), whose sum is σ = 800672256. Its totient is φ = 468904128.

The previous prime is 626098981. The next prime is 626098997. The reversal of 626098985 is 589890626.

It is a happy number.

It is not a de Polignac number, because 626098985 - 2² = 626098981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626098981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52514 + ... + 63323.

It is an arithmetic number, because the mean of its divisors is an integer number (50042016).

Almost surely, 2^626098985 is an apocalyptic number.

It is an amenable number.

626098985 is a deficient number, since it is larger than the sum of its proper divisors (174573271).

626098985 is a wasteful number, since it uses less digits than its factorization.

626098985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115912.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 626098985 is about 25021.9700463413. The cubic root of 626098985 is about 855.4888100108.

The spelling of 626098985 in words is "six hundred twenty-six million, ninety-eight thousand, nine hundred eighty-five".