365649522 has 16 divisors (see below), whose sum is σ = 835770432. Its totient is φ = 104471280.

The previous prime is 365649467. The next prime is 365649523. The reversal of 365649522 is 225946563.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 8705941 = 365649522 / (3 + 6 + 5 + 6 + 4 + 9 + 5 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (365649523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4352929 + ... + 4353012.

It is an arithmetic number, because the mean of its divisors is an integer number (52235652).

Almost surely, 2^365649522 is an apocalyptic number.

365649522 is an abundant number, since it is smaller than the sum of its proper divisors (470120910).

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

365649522 is a wasteful number, since it uses less digits than its factorization.

365649522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8705953.

The product of its digits is 388800, while the sum is 42.

The square root of 365649522 is about 19121.9643865373. The cubic root of 365649522 is about 715.0806122943.

The spelling of 365649522 in words is "three hundred sixty-five million, six hundred forty-nine thousand, five hundred twenty-two".