42893384 has 8 divisors (see below), whose sum is σ = 80425110. Its totient is φ = 21446688.

The previous prime is 42893371. The next prime is 42893399. The reversal of 42893384 is 48339824.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 2316484 = 6370^2 + 1522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680829 + ... + 2680844.

Almost surely, 2^42893384 is an apocalyptic number.

It is an amenable number.

42893384 is a deficient number, since it is larger than the sum of its proper divisors (37531726).

42893384 is a wasteful number, since it uses less digits than its factorization.

42893384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361679 (or 5361675 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 42893384 is about 6549.3040851681. The cubic root of 42893384 is about 350.0500173416.

The spelling of 42893384 in words is "forty-two million, eight hundred ninety-three thousand, three hundred eighty-four".