916841970 has 64 divisors (see below), whose sum is σ = 2667185280. Its totient is φ = 222264000.

The previous prime is 916841929. The next prime is 916841971. The reversal of 916841970 is 79148619.

It is a happy number.

916841970 is a `hidden beast` number, since 9 + 168 + 419 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (916841971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151381 + ... + 157320.

It is an arithmetic number, because the mean of its divisors is an integer number (41674770).

Almost surely, 2^916841970 is an apocalyptic number.

916841970 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

916841970 is an abundant number, since it is smaller than the sum of its proper divisors (1750343310).

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

916841970 is a wasteful number, since it uses less digits than its factorization.

916841970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308728 (or 308722 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 916841970 is about 30279.3984418449. The cubic root of 916841970 is about 971.4747009216.

The spelling of 916841970 in words is "nine hundred sixteen million, eight hundred forty-one thousand, nine hundred seventy".