409367868 has 48 divisors (see below), whose sum is σ = 1175623680. Its totient is φ = 107964864.

The previous prime is 409367797. The next prime is 409367909. The reversal of 409367868 is 868763904.

It is a super-3 number, since 3×409367868³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 409367868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186348 + ... + 188531.

It is an arithmetic number, because the mean of its divisors is an integer number (24492160).

Almost surely, 2^409367868 is an apocalyptic number.

It is an amenable number.

409367868 is an abundant number, since it is smaller than the sum of its proper divisors (766255812).

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

409367868 is a wasteful number, since it uses less digits than its factorization.

409367868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374906 (or 374904 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 409367868 is about 20232.8413229581. The cubic root of 409367868 is about 742.5138924268.

The spelling of 409367868 in words is "four hundred nine million, three hundred sixty-seven thousand, eight hundred sixty-eight".