981699070 has 16 divisors (see below), whose sum is σ = 1927700208. Its totient is φ = 356981440.

The previous prime is 981699067. The next prime is 981699079. The reversal of 981699070 is 70996189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981699079) 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 7 ways as a sum of consecutive naturals, for example, 4462159 + ... + 4462378.

It is an arithmetic number, because the mean of its divisors is an integer number (120481263).

Almost surely, 2^981699070 is an apocalyptic number.

981699070 is a deficient number, since it is larger than the sum of its proper divisors (946001138).

981699070 is a wasteful number, since it uses less digits than its factorization.

981699070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924555.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 981699070 is about 31332.0773329826. The cubic root of 981699070 is about 993.8620931795.

The spelling of 981699070 in words is "nine hundred eighty-one million, six hundred ninety-nine thousand, seventy".