945390 has 16 divisors (see below), whose sum is σ = 2269008. Its totient is φ = 252096.

The previous prime is 945389. The next prime is 945391. The reversal of 945390 is 93549.

It is an interprime number because it is at equal distance from previous prime (945389) and next prime (945391).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 31513 = 945390 / (9 + 4 + 5 + 3 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15727 + ... + 15786.

It is an arithmetic number, because the mean of its divisors is an integer number (141813).

2⁹⁴⁵³⁹⁰ is an apocalyptic number.

945390 is an abundant number, since it is smaller than the sum of its proper divisors (1323618).

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

945390 is a wasteful number, since it uses less digits than its factorization.

945390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31523.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 945390 is about 972.3116784242. The cubic root of 945390 is about 98.1454870877.

945390 divided by its sum of digits (30) gives a palindrome (31513).

The spelling of 945390 in words is "nine hundred forty-five thousand, three hundred ninety".