365940663 has 12 divisors (see below), whose sum is σ = 536310264. Its totient is φ = 221782000.

The previous prime is 365940661. The next prime is 365940671. The reversal of 365940663 is 366049563.

It is not a de Polignac number, because 365940663 - 2¹ = 365940661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365940661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503688 + ... + 504413.

It is an arithmetic number, because the mean of its divisors is an integer number (44692522).

Almost surely, 2^365940663 is an apocalyptic number.

365940663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

365940663 is a deficient number, since it is larger than the sum of its proper divisors (170369601).

365940663 is a wasteful number, since it uses less digits than its factorization.

365940663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008126 (or 1008115 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The square root of 365940663 is about 19129.5756095110. The cubic root of 365940663 is about 715.2703514124.

Subtracting 365940663 from its reverse (366049563), we obtain a square (108900 = 330²).

The spelling of 365940663 in words is "three hundred sixty-five million, nine hundred forty thousand, six hundred sixty-three".