626346897 has 16 divisors (see below), whose sum is σ = 916647168. Its totient is φ = 377272080.

The previous prime is 626346883. The next prime is 626346961. The reversal of 626346897 is 798643626.

It is a happy number.

It is not a de Polignac number, because 626346897 - 2⁴ = 626346881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (626346817) 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, 52843 + ... + 63600.

It is an arithmetic number, because the mean of its divisors is an integer number (57290448).

Almost surely, 2^626346897 is an apocalyptic number.

It is an amenable number.

626346897 is a deficient number, since it is larger than the sum of its proper divisors (290300271).

626346897 is a wasteful number, since it uses less digits than its factorization.

626346897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116620.

The product of its digits is 2612736, while the sum is 51.

The square root of 626346897 is about 25026.9234425648. The cubic root of 626346897 is about 855.6017090679.

The spelling of 626346897 in words is "six hundred twenty-six million, three hundred forty-six thousand, eight hundred ninety-seven".