445039486 has 4 divisors (see below), whose sum is σ = 667559232. Its totient is φ = 222519742.

The previous prime is 445039471. The next prime is 445039493. The reversal of 445039486 is 684930544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111259870 + ... + 111259873.

It is an arithmetic number, because the mean of its divisors is an integer number (166889808).

Almost surely, 2^445039486 is an apocalyptic number.

445039486 is a deficient number, since it is larger than the sum of its proper divisors (222519746).

445039486 is a wasteful number, since it uses less digits than its factorization.

445039486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222519745.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 445039486 is about 21095.9589969264. The cubic root of 445039486 is about 763.4832527608.

The spelling of 445039486 in words is "four hundred forty-five million, thirty-nine thousand, four hundred eighty-six".