438462745 has 16 divisors (see below), whose sum is σ = 622056960. Its totient is φ = 290291904.

The previous prime is 438462743. The next prime is 438462757. The reversal of 438462745 is 547264834.

It is not a de Polignac number, because 438462745 - 2¹ = 438462743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438462743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214977 + ... + 217006.

It is an arithmetic number, because the mean of its divisors is an integer number (38878560).

Almost surely, 2^438462745 is an apocalyptic number.

It is an amenable number.

438462745 is a deficient number, since it is larger than the sum of its proper divisors (183594215).

438462745 is a wasteful number, since it uses less digits than its factorization.

438462745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432024.

The product of its digits is 645120, while the sum is 43.

The square root of 438462745 is about 20939.5020236872. The cubic root of 438462745 is about 759.7036846928.

The spelling of 438462745 in words is "four hundred thirty-eight million, four hundred sixty-two thousand, seven hundred forty-five".