881560746 has 168 divisors, whose sum is σ = 2302644960. Its totient is φ = 252117360.

The previous prime is 881560703. The next prime is 881560751. The reversal of 881560746 is 647065188.

It is a happy number.

881560746 is a `hidden beast` number, since 8 + 81 + 560 + 7 + 4 + 6 = 666.

It is a super-4 number, since 4×881560746⁴ (a number of 37 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 3351811 + ... + 3352073.

It is an arithmetic number, because the mean of its divisors is an integer number (13706220).

Almost surely, 2^881560746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881560746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151322480).

881560746 is an abundant number, since it is smaller than the sum of its proper divisors (1421084214).

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

881560746 is a wasteful number, since it uses less digits than its factorization.

881560746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 881560746 is about 29691.0886630989. The cubic root of 881560746 is about 958.8501663129.

The spelling of 881560746 in words is "eight hundred eighty-one million, five hundred sixty thousand, seven hundred forty-six".