890694445 has 16 divisors (see below), whose sum is σ = 1129824000. Its totient is φ = 672211008.

The previous prime is 890694443. The next prime is 890694529. The reversal of 890694445 is 544496098.

It is a cyclic number.

It is not a de Polignac number, because 890694445 - 2¹ = 890694443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890694443) 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, 3091 + ... + 42319.

It is an arithmetic number, because the mean of its divisors is an integer number (70614000).

Almost surely, 2^890694445 is an apocalyptic number.

It is an amenable number.

890694445 is a deficient number, since it is larger than the sum of its proper divisors (239129555).

890694445 is a wasteful number, since it uses less digits than its factorization.

890694445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39492.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 890694445 is about 29844.5044354903. The cubic root of 890694445 is about 962.1502888744.

The spelling of 890694445 in words is "eight hundred ninety million, six hundred ninety-four thousand, four hundred forty-five".