283378739 has 8 divisors (see below), whose sum is σ = 323994720. Its totient is φ = 242796096.

The previous prime is 283378723. The next prime is 283378741. The reversal of 283378739 is 937873382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 283378739 - 2⁴ = 283378723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (283378709) 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, 13817 + ... + 27525.

It is an arithmetic number, because the mean of its divisors is an integer number (40499340).

Almost surely, 2^283378739 is an apocalyptic number.

283378739 is a deficient number, since it is larger than the sum of its proper divisors (40615981).

283378739 is a wasteful number, since it uses less digits than its factorization.

283378739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16669.

The product of its digits is 1524096, while the sum is 50.

The square root of 283378739 is about 16833.8569258504. The cubic root of 283378739 is about 656.8341953914.

The spelling of 283378739 in words is "two hundred eighty-three million, three hundred seventy-eight thousand, seven hundred thirty-nine".