698406925 has 12 divisors (see below), whose sum is σ = 866574496. Its totient is φ = 558370800.

The previous prime is 698406901. The next prime is 698406953. The reversal of 698406925 is 529604896.

It is not a de Polignac number, because 698406925 - 2⁵ = 698406893 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35680 + ... + 51670.

Almost surely, 2^698406925 is an apocalyptic number.

It is an amenable number.

698406925 is a deficient number, since it is larger than the sum of its proper divisors (168167571).

698406925 is a wasteful number, since it uses less digits than its factorization.

698406925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748 (or 17743 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 698406925 is about 26427.3896743511. The cubic root of 698406925 is about 887.2299198024.

The spelling of 698406925 in words is "six hundred ninety-eight million, four hundred six thousand, nine hundred twenty-five".