444393974 has 8 divisors (see below), whose sum is σ = 705802248. Its totient is φ = 209126560.

The previous prime is 444393973. The next prime is 444394009. The reversal of 444393974 is 479393444.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444393973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6535172 + ... + 6535239.

It is an arithmetic number, because the mean of its divisors is an integer number (88225281).

Almost surely, 2^444393974 is an apocalyptic number.

444393974 is a deficient number, since it is larger than the sum of its proper divisors (261408274).

444393974 is a wasteful number, since it uses less digits than its factorization.

444393974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070430.

The product of its digits is 1306368, while the sum is 47.

The square root of 444393974 is about 21080.6540221123. The cubic root of 444393974 is about 763.1139401571.

The spelling of 444393974 in words is "four hundred forty-four million, three hundred ninety-three thousand, nine hundred seventy-four".