366369981 has 8 divisors (see below), whose sum is σ = 492340224. Its totient is φ = 242323200.

The previous prime is 366369979. The next prime is 366370007. The reversal of 366369981 is 189963663.

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

It is not a de Polignac number, because 366369981 - 2¹ = 366369979 is a prime.

It is a super-2 number, since 2×366369981² = 268453925955880722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366369901) 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, 480420 + ... + 481181.

It is an arithmetic number, because the mean of its divisors is an integer number (61542528).

Almost surely, 2^366369981 is an apocalyptic number.

It is an amenable number.

366369981 is a deficient number, since it is larger than the sum of its proper divisors (125970243).

366369981 is a wasteful number, since it uses less digits than its factorization.

366369981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961731.

The product of its digits is 1259712, while the sum is 51.

The square root of 366369981 is about 19140.7936355837. The cubic root of 366369981 is about 715.5499581527.

The spelling of 366369981 in words is "three hundred sixty-six million, three hundred sixty-nine thousand, nine hundred eighty-one".