424644446 has 8 divisors (see below), whose sum is σ = 664660944. Its totient is φ = 203090800.

The previous prime is 424644347. The next prime is 424644457. The reversal of 424644446 is 644446424.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4615655 + ... + 4615746.

It is an arithmetic number, because the mean of its divisors is an integer number (83082618).

Almost surely, 2^424644446 is an apocalyptic number.

424644446 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

424644446 is a deficient number, since it is larger than the sum of its proper divisors (240016498).

424644446 is a wasteful number, since it uses less digits than its factorization.

424644446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231426.

The product of its digits is 294912, while the sum is 38.

The square root of 424644446 is about 20606.9028725813. The cubic root of 424644446 is about 751.6375750468.

The spelling of 424644446 in words is "four hundred twenty-four million, six hundred forty-four thousand, four hundred forty-six".