42903936 has 48 divisors (see below), whose sum is σ = 123463860. Its totient is φ = 14300928.

The previous prime is 42903911. The next prime is 42903983. The reversal of 42903936 is 63930924.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42903936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17470 + ... + 19773.

Almost surely, 2^42903936 is an apocalyptic number.

It is an amenable number.

42903936 is an abundant number, since it is smaller than the sum of its proper divisors (80559924).

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

42903936 is a wasteful number, since it uses less digits than its factorization.

42903936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37263 (or 37248 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 42903936 is about 6550.1096174034. The cubic root of 42903936 is about 350.0787197085.

The spelling of 42903936 in words is "forty-two million, nine hundred three thousand, nine hundred thirty-six".