890101269 has 12 divisors (see below), whose sum is σ = 1286709996. Its totient is φ = 592935552.

The previous prime is 890101243. The next prime is 890101273. The reversal of 890101269 is 962101098.

It can be written as a sum of positive squares in 2 ways, for example, as 662393169 + 227708100 = 25737^2 + 15090^2 .

It is not a de Polignac number, because 890101269 - 2⁵ = 890101237 is a prime.

It is a super-2 number, since 2×890101269² = 1584560538150820722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890101229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26454 + ... + 49799.

It is an arithmetic number, because the mean of its divisors is an integer number (107225833).

Almost surely, 2^890101269 is an apocalyptic number.

It is an amenable number.

890101269 is a deficient number, since it is larger than the sum of its proper divisors (396608727).

890101269 is a wasteful number, since it uses less digits than its factorization.

890101269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77556 (or 77553 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 890101269 is about 29834.5650043704. The cubic root of 890101269 is about 961.9366536205.

The spelling of 890101269 in words is "eight hundred ninety million, one hundred one thousand, two hundred sixty-nine".