442969364 has 6 divisors (see below), whose sum is σ = 775196394. Its totient is φ = 221484680.

The previous prime is 442969349. The next prime is 442969369. The reversal of 442969364 is 463969244.

It can be written as a sum of positive squares in only one way, i.e., 295152400 + 147816964 = 17180^2 + 12158^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442969369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55371167 + ... + 55371174.

It is an arithmetic number, because the mean of its divisors is an integer number (129199399).

Almost surely, 2^442969364 is an apocalyptic number.

It is an amenable number.

442969364 is a deficient number, since it is larger than the sum of its proper divisors (332227030).

442969364 is a wasteful number, since it uses less digits than its factorization.

442969364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110742345 (or 110742343 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 47.

The square root of 442969364 is about 21046.8373871230. The cubic root of 442969364 is about 762.2976198183.

The spelling of 442969364 in words is "four hundred forty-two million, nine hundred sixty-nine thousand, three hundred sixty-four".