408122092 has 24 divisors (see below), whose sum is σ = 816897536. Its totient is φ = 174769488.

The previous prime is 408122083. The next prime is 408122093. The reversal of 408122092 is 290221804.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 408122092.

It is not an unprimeable number, because it can be changed into a prime (408122093) 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, 34723 + ... + 44965.

Almost surely, 2^408122092 is an apocalyptic number.

It is an amenable number.

408122092 is an abundant number, since it is smaller than the sum of its proper divisors (408775444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408122092 is a wasteful number, since it uses less digits than its factorization.

408122092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677 (or 11675 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 408122092 is about 20202.0318780067. The cubic root of 408122092 is about 741.7599284369.

Adding to 408122092 its reverse (290221804), we get a palindrome (698343896).

It can be divided in two parts, 408 and 122092, that added together give a square (122500 = 350²).

The spelling of 408122092 in words is "four hundred eight million, one hundred twenty-two thousand, ninety-two".