842661432 has 24 divisors (see below), whose sum is σ = 2282208240. Its totient is φ = 280887120.

The previous prime is 842661431. The next prime is 842661433. The reversal of 842661432 is 234166248.

842661432 is a `hidden beast` number, since 8 + 4 + 2 + 6 + 614 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (842661431) and next prime (842661433).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842661431) 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 5 ways as a sum of consecutive naturals, for example, 5851744 + ... + 5851887.

It is an arithmetic number, because the mean of its divisors is an integer number (95092010).

Almost surely, 2^842661432 is an apocalyptic number.

It is an amenable number.

842661432 is an abundant number, since it is smaller than the sum of its proper divisors (1439546808).

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

842661432 is a wasteful number, since it uses less digits than its factorization.

842661432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11703643 (or 11703636 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 842661432 is about 29028.6312457201. The cubic root of 842661432 is about 944.5342392788.

The spelling of 842661432 in words is "eight hundred forty-two million, six hundred sixty-one thousand, four hundred thirty-two".