43474638 has 16 divisors (see below), whose sum is σ = 87094656. Its totient is φ = 14467320.

The previous prime is 43474619. The next prime is 43474657. The reversal of 43474638 is 83647434.

It is an interprime number because it is at equal distance from previous prime (43474619) and next prime (43474657).

It is a junction number, because it is equal to n+sod(n) for n = 43474596 and 43474605.

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, 1956 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (5443416).

Almost surely, 2^43474638 is an apocalyptic number.

43474638 is an abundant number, since it is smaller than the sum of its proper divisors (43620018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43474638 is a wasteful number, since it uses less digits than its factorization.

43474638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12119.

The product of its digits is 193536, while the sum is 39.

The square root of 43474638 is about 6593.5300105482. The cubic root of 43474638 is about 351.6241198973.

The spelling of 43474638 in words is "forty-three million, four hundred seventy-four thousand, six hundred thirty-eight".