44463897 has 24 divisors (see below), whose sum is σ = 66961440. Its totient is φ = 29524500.

The previous prime is 44463883. The next prime is 44463907. The reversal of 44463897 is 79836444.

44463897 is a `hidden beast` number, since 4 + 4 + 4 + 638 + 9 + 7 = 666.

It is not a de Polignac number, because 44463897 - 2¹⁵ = 44431129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44463877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177022 + ... + 177272.

It is an arithmetic number, because the mean of its divisors is an integer number (2790060).

Almost surely, 2^44463897 is an apocalyptic number.

It is an amenable number.

44463897 is a deficient number, since it is larger than the sum of its proper divisors (22497543).

44463897 is an frugal number, since it uses more digits than its factorization.

44463897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 254 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 44463897 is about 6668.1254487300. The cubic root of 44463897 is about 354.2711940852.

The spelling of 44463897 in words is "forty-four million, four hundred sixty-three thousand, eight hundred ninety-seven".