890874447 has 8 divisors (see below), whose sum is σ = 1189145856. Its totient is φ = 593259672.

The previous prime is 890874431. The next prime is 890874449. The reversal of 890874447 is 744478098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 890874447 - 2⁴ = 890874431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 890874447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890874449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160983 + ... + 166424.

It is an arithmetic number, because the mean of its divisors is an integer number (148643232).

Almost surely, 2^890874447 is an apocalyptic number.

890874447 is a deficient number, since it is larger than the sum of its proper divisors (298271409).

890874447 is a wasteful number, since it uses less digits than its factorization.

890874447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328317.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 890874447 is about 29847.5199472251. The cubic root of 890874447 is about 962.2150987210.

The spelling of 890874447 in words is "eight hundred ninety million, eight hundred seventy-four thousand, four hundred forty-seven".