8432642 has 8 divisors (see below), whose sum is σ = 12727056. Its totient is φ = 4190292.

The previous prime is 8432623. The next prime is 8432647. The reversal of 8432642 is 2462348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8432642² = 142218902200328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8432647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12608 + ... + 13259.

It is an arithmetic number, because the mean of its divisors is an integer number (1590882).

Almost surely, 2^8432642 is an apocalyptic number.

8432642 is a deficient number, since it is larger than the sum of its proper divisors (4294414).

8432642 is a wasteful number, since it uses less digits than its factorization.

8432642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26032.

The product of its digits is 9216, while the sum is 29.

The square root of 8432642 is about 2903.9011691172. The cubic root of 8432642 is about 203.5422422153.

The spelling of 8432642 in words is "eight million, four hundred thirty-two thousand, six hundred forty-two".