42861432 has 32 divisors (see below), whose sum is σ = 107586000. Its totient is φ = 14229504.

The previous prime is 42861431. The next prime is 42861433. The reversal of 42861432 is 23416824.

It is an interprime number because it is at equal distance from previous prime (42861431) and next prime (42861433).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42861432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694 + ... + 9642.

Almost surely, 2^42861432 is an apocalyptic number.

It is an amenable number.

42861432 is an abundant number, since it is smaller than the sum of its proper divisors (64724568).

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

42861432 is a wasteful number, since it uses less digits than its factorization.

42861432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215 (or 7211 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 42861432 is about 6546.8642875807. The cubic root of 42861432 is about 349.9630763769.

The spelling of 42861432 in words is "forty-two million, eight hundred sixty-one thousand, four hundred thirty-two".