945318390 has 32 divisors (see below), whose sum is σ = 2270268000. Its totient is φ = 251917824.

The previous prime is 945318389. The next prime is 945318397. The reversal of 945318390 is 93813549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945318397) 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, 39486 + ... + 58734.

It is an arithmetic number, because the mean of its divisors is an integer number (70945875).

Almost surely, 2^945318390 is an apocalyptic number.

945318390 is an abundant number, since it is smaller than the sum of its proper divisors (1324949610).

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

945318390 is a wasteful number, since it uses less digits than its factorization.

945318390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20896.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 945318390 is about 30746.0304754939. The cubic root of 945318390 is about 981.4300896555.

The spelling of 945318390 in words is "nine hundred forty-five million, three hundred eighteen thousand, three hundred ninety".