408197283 has 16 divisors (see below), whose sum is σ = 601972896. Its totient is φ = 244408320.

The previous prime is 408197249. The next prime is 408197287. The reversal of 408197283 is 382791804.

It is not a de Polignac number, because 408197283 - 2¹⁸ = 407935139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408197287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139998 + ... + 142883.

It is an arithmetic number, because the mean of its divisors is an integer number (37623306).

Almost surely, 2^408197283 is an apocalyptic number.

408197283 is a deficient number, since it is larger than the sum of its proper divisors (193775613).

408197283 is a wasteful number, since it uses less digits than its factorization.

408197283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282934.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 408197283 is about 20203.8927684741. The cubic root of 408197283 is about 741.8054787326.

The spelling of 408197283 in words is "four hundred eight million, one hundred ninety-seven thousand, two hundred eighty-three".