366004981 has 4 divisors (see below), whose sum is σ = 366268000. Its totient is φ = 365741964.

The previous prime is 366004913. The next prime is 366005011. The reversal of 366004981 is 189400663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 189400663 = 443 ⋅427541.

It is a cyclic number.

It is not a de Polignac number, because 366004981 - 2¹³ = 365996789 is a prime.

It is a super-2 number, since 2×366004981² = 267919292233620722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 366004981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366004901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129411 + ... + 132208.

It is an arithmetic number, because the mean of its divisors is an integer number (91567000).

Almost surely, 2^366004981 is an apocalyptic number.

It is an amenable number.

366004981 is a deficient number, since it is larger than the sum of its proper divisors (263019).

366004981 is a wasteful number, since it uses less digits than its factorization.

366004981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263018.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 366004981 is about 19131.2566497865. The cubic root of 366004981 is about 715.3122544385.

The spelling of 366004981 in words is "three hundred sixty-six million, four thousand, nine hundred eighty-one".