890846451 has 16 divisors (see below), whose sum is σ = 1439752320. Its totient is φ = 539906760.

The previous prime is 890846441. The next prime is 890846459. The reversal of 890846451 is 154648098.

It is not a de Polignac number, because 890846451 - 2⁹ = 890845939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 890846397 and 890846406.

It is not an unprimeable number, because it can be changed into a prime (890846459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1499445 + ... + 1500038.

It is an arithmetic number, because the mean of its divisors is an integer number (89984520).

Almost surely, 2^890846451 is an apocalyptic number.

890846451 is a deficient number, since it is larger than the sum of its proper divisors (548905869).

890846451 is a wasteful number, since it uses less digits than its factorization.

890846451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999503 (or 2999497 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 890846451 is about 29847.0509598520. The cubic root of 890846451 is about 962.2050193148.

The spelling of 890846451 in words is "eight hundred ninety million, eight hundred forty-six thousand, four hundred fifty-one".