945983461 has 4 divisors (see below), whose sum is σ = 948342924. Its totient is φ = 943624000.

The previous prime is 945983449. The next prime is 945983471. The reversal of 945983461 is 164389549.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 895146561 + 50836900 = 29919^2 + 7130^2 .

It is a cyclic number.

It is not a de Polignac number, because 945983461 - 2¹³ = 945975269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945983471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179130 + ... + 1179931.

It is an arithmetic number, because the mean of its divisors is an integer number (237085731).

Almost surely, 2^945983461 is an apocalyptic number.

It is an amenable number.

945983461 is a deficient number, since it is larger than the sum of its proper divisors (2359463).

945983461 is a wasteful number, since it uses less digits than its factorization.

945983461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359462.

The product of its digits is 933120, while the sum is 49.

The square root of 945983461 is about 30756.8441326479. The cubic root of 945983461 is about 981.6601947311.

The spelling of 945983461 in words is "nine hundred forty-five million, nine hundred eighty-three thousand, four hundred sixty-one".