42904038 has 8 divisors (see below), whose sum is σ = 85808088. Its totient is φ = 14301344.

The previous prime is 42904027. The next prime is 42904129. The reversal of 42904038 is 83040924.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

42904038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42903996 and 42904014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575331 + ... + 3575342.

It is an arithmetic number, because the mean of its divisors is an integer number (10726011).

Almost surely, 2^42904038 is an apocalyptic number.

42904038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42904038 is a wasteful number, since it uses less digits than its factorization.

42904038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7150678.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42904038 is about 6550.1174035280. The cubic root of 42904038 is about 350.0789971345.

The spelling of 42904038 in words is "forty-two million, nine hundred four thousand, thirty-eight".