442032986 has 8 divisors (see below), whose sum is σ = 697946880. Its totient is φ = 209384028.

The previous prime is 442032971. The next prime is 442033003. The reversal of 442032986 is 689230244.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 11632447 = 442032986 / (4 + 4 + 2 + 0 + 3 + 2 + 9 + 8 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5816186 + ... + 5816261.

It is an arithmetic number, because the mean of its divisors is an integer number (87243360).

Almost surely, 2^442032986 is an apocalyptic number.

442032986 is a deficient number, since it is larger than the sum of its proper divisors (255913894).

442032986 is a wasteful number, since it uses less digits than its factorization.

442032986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632468.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 442032986 is about 21024.5805190020. The cubic root of 442032986 is about 761.7601091546.

The spelling of 442032986 in words is "four hundred forty-two million, thirty-two thousand, nine hundred eighty-six".