366990648 has 64 divisors (see below), whose sum is σ = 956467200. Its totient is φ = 117210240.

The previous prime is 366990619. The next prime is 366990661. The reversal of 366990648 is 846099663.

366990648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 19157²-1.

It is a super-3 number, since 3×366990648³ (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 366990648.

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, 74238 + ... + 79026.

It is an arithmetic number, because the mean of its divisors is an integer number (14944800).

Almost surely, 2^366990648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366990648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478233600).

366990648 is an abundant number, since it is smaller than the sum of its proper divisors (589476552).

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

366990648 is a wasteful number, since it uses less digits than its factorization.

366990648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932 (or 4928 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 366990648 is about 19156.9999738999. Note that the first 4 decimals coincide. The cubic root of 366990648 is about 715.9538009994.

The spelling of 366990648 in words is "three hundred sixty-six million, nine hundred ninety thousand, six hundred forty-eight".