366400869 has 8 divisors (see below), whose sum is σ = 489182880. Its totient is φ = 243943056.

The previous prime is 366400829. The next prime is 366400889. The reversal of 366400869 is 968004663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 366400869 - 2⁹ = 366400357 is a prime.

It is a super-2 number, since 2×366400869² = 268499193607910322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 366400869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366400829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78399 + ... + 82940.

It is an arithmetic number, because the mean of its divisors is an integer number (61147860).

Almost surely, 2^366400869 is an apocalyptic number.

It is an amenable number.

366400869 is a deficient number, since it is larger than the sum of its proper divisors (122782011).

366400869 is a wasteful number, since it uses less digits than its factorization.

366400869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162099.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 366400869 is about 19141.6004816734. The cubic root of 366400869 is about 715.5700665015.

The spelling of 366400869 in words is "three hundred sixty-six million, four hundred thousand, eight hundred sixty-nine".