890670225 has 12 divisors (see below), whose sum is σ = 1472574896. Its totient is φ = 475024080.

The previous prime is 890670133. The next prime is 890670281. The reversal of 890670225 is 522076098.

It is a happy number.

It is not a de Polignac number, because 890670225 - 2⁹ = 890669713 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5937727 + ... + 5937876.

Almost surely, 2^890670225 is an apocalyptic number.

It is an amenable number.

890670225 is a deficient number, since it is larger than the sum of its proper divisors (581904671).

890670225 is a wasteful number, since it uses less digits than its factorization.

890670225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875616 (or 11875611 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 890670225 is about 29844.0986628848. The cubic root of 890670225 is about 962.1415677799.

The spelling of 890670225 in words is "eight hundred ninety million, six hundred seventy thousand, two hundred twenty-five".