890551006 has 4 divisors (see below), whose sum is σ = 1335826512. Its totient is φ = 445275502.

The previous prime is 890550979. The next prime is 890551021. The reversal of 890551006 is 600155098.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×890551006² = 1586162188575224072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 222637750 + ... + 222637753.

It is an arithmetic number, because the mean of its divisors is an integer number (333956628).

Almost surely, 2^890551006 is an apocalyptic number.

890551006 is a deficient number, since it is larger than the sum of its proper divisors (445275506).

890551006 is a wasteful number, since it uses less digits than its factorization.

890551006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445275505.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 890551006 is about 29842.1012329896. The cubic root of 890551006 is about 962.0986373100.

The spelling of 890551006 in words is "eight hundred ninety million, five hundred fifty-one thousand, six".