283904376 has 32 divisors (see below), whose sum is σ = 811155840. Its totient is φ = 81115488.

The previous prime is 283904371. The next prime is 283904399. The reversal of 283904376 is 673409382.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283904371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844786 + ... + 845121.

It is an arithmetic number, because the mean of its divisors is an integer number (25348620).

Almost surely, 2^283904376 is an apocalyptic number.

It is an amenable number.

283904376 is an abundant number, since it is smaller than the sum of its proper divisors (527251464).

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

283904376 is a wasteful number, since it uses less digits than its factorization.

283904376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689923 (or 1689919 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 283904376 is about 16849.4621872628. The cubic root of 283904376 is about 657.2400634131.

The spelling of 283904376 in words is "two hundred eighty-three million, nine hundred four thousand, three hundred seventy-six".