442929948 has 12 divisors (see below), whose sum is σ = 1033503240. Its totient is φ = 147643312.

The previous prime is 442929947. The next prime is 442929983. The reversal of 442929948 is 849929244.

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

It is a self number, because there is not a number n which added to its sum of digits gives 442929948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442929943) 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, 18455403 + ... + 18455426.

It is an arithmetic number, because the mean of its divisors is an integer number (86125270).

Almost surely, 2^442929948 is an apocalyptic number.

It is an amenable number.

442929948 is an abundant number, since it is smaller than the sum of its proper divisors (590573292).

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

442929948 is a wasteful number, since it uses less digits than its factorization.

442929948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36910836 (or 36910834 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 442929948 is about 21045.9009785754. The cubic root of 442929948 is about 762.2750090641.

The spelling of 442929948 in words is "four hundred forty-two million, nine hundred twenty-nine thousand, nine hundred forty-eight".