280830147 has 48 divisors (see below), whose sum is σ = 427069440. Its totient is φ = 163114560.

The previous prime is 280830133. The next prime is 280830169. The reversal of 280830147 is 741038082.

It is not a de Polignac number, because 280830147 - 2⁴ = 280830131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280832147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2211198 + ... + 2211324.

It is an arithmetic number, because the mean of its divisors is an integer number (8897280).

Almost surely, 2^280830147 is an apocalyptic number.

280830147 is a deficient number, since it is larger than the sum of its proper divisors (146239293).

280830147 is a wasteful number, since it uses less digits than its factorization.

280830147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 280830147 is about 16757.9875581765. The cubic root of 280830147 is about 654.8591636286.

The spelling of 280830147 in words is "two hundred eighty million, eight hundred thirty thousand, one hundred forty-seven".