444690307 has 8 divisors (see below), whose sum is σ = 470317760. Its totient is φ = 419285160.

The previous prime is 444690287. The next prime is 444690317. The reversal of 444690307 is 703096444.

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

It is not a de Polignac number, because 444690307 - 2¹¹ = 444688259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444690317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51453 + ... + 59470.

It is an arithmetic number, because the mean of its divisors is an integer number (58789720).

Almost surely, 2^444690307 is an apocalyptic number.

444690307 is a deficient number, since it is larger than the sum of its proper divisors (25627453).

444690307 is a wasteful number, since it uses less digits than its factorization.

444690307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111153.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 444690307 is about 21087.6814040804. The cubic root of 444690307 is about 763.2835236128.

The spelling of 444690307 in words is "four hundred forty-four million, six hundred ninety thousand, three hundred seven".