282081397 has 8 divisors (see below), whose sum is σ = 305145344. Its totient is φ = 259212528.

The previous prime is 282081389. The next prime is 282081409. The reversal of 282081397 is 793180282.

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 282081397 - 2³ = 282081389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (282081797) 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, 45753 + ... + 51550.

It is an arithmetic number, because the mean of its divisors is an integer number (38143168).

Almost surely, 2^282081397 is an apocalyptic number.

It is an amenable number.

282081397 is a deficient number, since it is larger than the sum of its proper divisors (23063947).

282081397 is a wasteful number, since it uses less digits than its factorization.

282081397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97539.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 282081397 is about 16795.2790092931. The cubic root of 282081397 is about 655.8303065005.

The spelling of 282081397 in words is "two hundred eighty-two million, eighty-one thousand, three hundred ninety-seven".