442193748 has 12 divisors (see below), whose sum is σ = 1031785440. Its totient is φ = 147397912.

The previous prime is 442193743. The next prime is 442193753. The reversal of 442193748 is 847391244.

It is an interprime number because it is at equal distance from previous prime (442193743) and next prime (442193753).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442193743) 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, 18424728 + ... + 18424751.

It is an arithmetic number, because the mean of its divisors is an integer number (85982120).

Almost surely, 2^442193748 is an apocalyptic number.

It is an amenable number.

442193748 is an abundant number, since it is smaller than the sum of its proper divisors (589591692).

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

442193748 is a wasteful number, since it uses less digits than its factorization.

442193748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36849486 (or 36849484 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 442193748 is about 21028.4033630706. The cubic root of 442193748 is about 761.8524455787.

The spelling of 442193748 in words is "four hundred forty-two million, one hundred ninety-three thousand, seven hundred forty-eight".