944939481 has 4 divisors (see below), whose sum is σ = 1259919312. Its totient is φ = 629959652.

The previous prime is 944939453. The next prime is 944939503. The reversal of 944939481 is 184939449.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184939449 = 3 ⋅61646483.

It is a cyclic number.

It is not a de Polignac number, because 944939481 - 2⁷ = 944939353 is a prime.

It is a super-2 number, since 2×944939481² = 1785821245505098722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (944939081) 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, 157489911 + ... + 157489916.

It is an arithmetic number, because the mean of its divisors is an integer number (314979828).

Almost surely, 2^944939481 is an apocalyptic number.

It is an amenable number.

944939481 is a deficient number, since it is larger than the sum of its proper divisors (314979831).

944939481 is a wasteful number, since it uses less digits than its factorization.

944939481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314979830.

The product of its digits is 1119744, while the sum is 51.

The square root of 944939481 is about 30739.8679405101. The cubic root of 944939481 is about 981.2989442854.

The spelling of 944939481 in words is "nine hundred forty-four million, nine hundred thirty-nine thousand, four hundred eighty-one".