366147021 has 16 divisors (see below), whose sum is σ = 500385600. Its totient is φ = 238022400.

The previous prime is 366146993. The next prime is 366147053. The reversal of 366147021 is 120741663.

It is not a de Polignac number, because 366147021 - 2¹⁴ = 366130637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 366147021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366147721) 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, 88405 + ... + 92453.

It is an arithmetic number, because the mean of its divisors is an integer number (31274100).

Almost surely, 2^366147021 is an apocalyptic number.

It is an amenable number.

366147021 is a deficient number, since it is larger than the sum of its proper divisors (134238579).

366147021 is a wasteful number, since it uses less digits than its factorization.

366147021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 366147021 is about 19134.9685393000. The cubic root of 366147021 is about 715.4047757768.

Adding to 366147021 its reverse (120741663), we get a palindrome (486888684).

The spelling of 366147021 in words is "three hundred sixty-six million, one hundred forty-seven thousand, twenty-one".