890627064 has 64 divisors (see below), whose sum is σ = 2286282240. Its totient is φ = 288983040.

The previous prime is 890627063. The next prime is 890627081. The reversal of 890627064 is 460726098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890627063) 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, 215659 + ... + 219749.

It is an arithmetic number, because the mean of its divisors is an integer number (35723160).

Almost surely, 2^890627064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890627064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143141120).

890627064 is an abundant number, since it is smaller than the sum of its proper divisors (1395655176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

890627064 is a wasteful number, since it uses less digits than its factorization.

890627064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 890627064 is about 29843.3755463419. The cubic root of 890627064 is about 962.1260260520.

The spelling of 890627064 in words is "eight hundred ninety million, six hundred twenty-seven thousand, sixty-four".