369861945 has 16 divisors (see below), whose sum is σ = 626590080. Its totient is φ = 185656064.

The previous prime is 369861937. The next prime is 369861983. The reversal of 369861945 is 549168963.

It is a cyclic number.

It is not a de Polignac number, because 369861945 - 2³ = 369861937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724965 + ... + 725474.

It is an arithmetic number, because the mean of its divisors is an integer number (39161880).

Almost surely, 2^369861945 is an apocalyptic number.

It is an amenable number.

369861945 is a deficient number, since it is larger than the sum of its proper divisors (256728135).

369861945 is a wasteful number, since it uses less digits than its factorization.

369861945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450464.

The product of its digits is 1399680, while the sum is 51.

The square root of 369861945 is about 19231.7951580189. The cubic root of 369861945 is about 717.8161354193.

The spelling of 369861945 in words is "three hundred sixty-nine million, eight hundred sixty-one thousand, nine hundred forty-five".