283349477 has 4 divisors (see below), whose sum is σ = 283995360. Its totient is φ = 282703596.

The previous prime is 283349449. The next prime is 283349543. The reversal of 283349477 is 774943382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 283349477 - 2¹⁰ = 283348453 is a prime.

It is a super-2 number, since 2×283349477² = 160573852232347058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283349177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322283 + ... + 323160.

It is an arithmetic number, because the mean of its divisors is an integer number (70998840).

Almost surely, 2^283349477 is an apocalyptic number.

It is an amenable number.

283349477 is a deficient number, since it is larger than the sum of its proper divisors (645883).

283349477 is an equidigital number, since it uses as much as digits as its factorization.

283349477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645882.

The product of its digits is 1016064, while the sum is 47.

The square root of 283349477 is about 16832.9877621295. The cubic root of 283349477 is about 656.8115861395.

The spelling of 283349477 in words is "two hundred eighty-three million, three hundred forty-nine thousand, four hundred seventy-seven".