42803816 has 16 divisors (see below), whose sum is σ = 87553440. Its totient is φ = 19456240.

The previous prime is 42803809. The next prime is 42803837. The reversal of 42803816 is 61830824.

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, 243116 + ... + 243291.

It is an arithmetic number, because the mean of its divisors is an integer number (5472090).

Almost surely, 2^42803816 is an apocalyptic number.

It is an amenable number.

42803816 is an abundant number, since it is smaller than the sum of its proper divisors (44749624).

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

42803816 is a wasteful number, since it uses less digits than its factorization.

42803816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486424 (or 486420 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 42803816 is about 6542.4625333280. The cubic root of 42803816 is about 349.8061947450.

The spelling of 42803816 in words is "forty-two million, eight hundred three thousand, eight hundred sixteen".