438897446 has 16 divisors (see below), whose sum is σ = 710430000. Its totient is φ = 202156128.

The previous prime is 438897413. The next prime is 438897451. The reversal of 438897446 is 644798834.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3941 + ... + 29888.

It is an arithmetic number, because the mean of its divisors is an integer number (44401875).

Almost surely, 2^438897446 is an apocalyptic number.

438897446 is a deficient number, since it is larger than the sum of its proper divisors (271532554).

438897446 is a wasteful number, since it uses less digits than its factorization.

438897446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34343.

The product of its digits is 4644864, while the sum is 53.

The square root of 438897446 is about 20949.8793791277. The cubic root of 438897446 is about 759.9546637314.

The spelling of 438897446 in words is "four hundred thirty-eight million, eight hundred ninety-seven thousand, four hundred forty-six".