280082349 has 12 divisors (see below), whose sum is σ = 413972416. Its totient is φ = 182378952.

The previous prime is 280082281. The next prime is 280082399. The reversal of 280082349 is 943280082.

It is not a de Polignac number, because 280082349 - 2⁷ = 280082221 is a prime.

It is a super-2 number, since 2×280082349² = 156892244442715602, 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 (280082399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361477 + ... + 362250.

Almost surely, 2^280082349 is an apocalyptic number.

It is an amenable number.

280082349 is a deficient number, since it is larger than the sum of its proper divisors (133890067).

280082349 is a wasteful number, since it uses less digits than its factorization.

280082349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723776 (or 723773 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 280082349 is about 16735.6609968056. The cubic root of 280082349 is about 654.2773912369.

The spelling of 280082349 in words is "two hundred eighty million, eighty-two thousand, three hundred forty-nine".