366428489 has 16 divisors (see below), whose sum is σ = 444528000. Its totient is φ = 294860544.

The previous prime is 366428477. The next prime is 366428507. The reversal of 366428489 is 984824663.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 366428489 - 2⁸ = 366428233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (366428459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46187 + ... + 53535.

It is an arithmetic number, because the mean of its divisors is an integer number (27783000).

Almost surely, 2^366428489 is an apocalyptic number.

It is an amenable number.

366428489 is a deficient number, since it is larger than the sum of its proper divisors (78099511).

366428489 is a wasteful number, since it uses less digits than its factorization.

366428489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792.

The product of its digits is 1990656, while the sum is 50.

The square root of 366428489 is about 19142.3219333497. The cubic root of 366428489 is about 715.5880463975.

The spelling of 366428489 in words is "three hundred sixty-six million, four hundred twenty-eight thousand, four hundred eighty-nine".