989951070 has 32 divisors (see below), whose sum is σ = 2376715680. Its totient is φ = 263894400.

The previous prime is 989951069. The next prime is 989951071. The reversal of 989951070 is 70159989.

989951070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (989951069) and next prime (989951071).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989951071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149796 + ... + 156264.

It is an arithmetic number, because the mean of its divisors is an integer number (74272365).

Almost surely, 2^989951070 is an apocalyptic number.

989951070 is an abundant number, since it is smaller than the sum of its proper divisors (1386764610).

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

989951070 is a wasteful number, since it uses less digits than its factorization.

989951070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580.

The product of its (nonzero) digits is 204120, while the sum is 48.

The square root of 989951070 is about 31463.4878867553. The cubic root of 989951070 is about 996.6390734945.

The spelling of 989951070 in words is "nine hundred eighty-nine million, nine hundred fifty-one thousand, seventy".