946943919 has 8 divisors (see below), whose sum is σ = 1402879920. Its totient is φ = 631295928.

The previous prime is 946943917. The next prime is 946943939. The reversal of 946943919 is 919349649.

It is not a de Polignac number, because 946943919 - 2¹ = 946943917 is a prime.

It is a super-2 number, since 2×946943919² = 1793405571462157122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946943917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17535972 + ... + 17536025.

It is an arithmetic number, because the mean of its divisors is an integer number (175359990).

Almost surely, 2^946943919 is an apocalyptic number.

946943919 is a deficient number, since it is larger than the sum of its proper divisors (455936001).

946943919 is a wasteful number, since it uses less digits than its factorization.

946943919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35072006 (or 35072000 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 946943919 is about 30772.4538995511. The cubic root of 946943919 is about 981.9923092328.

The spelling of 946943919 in words is "nine hundred forty-six million, nine hundred forty-three thousand, nine hundred nineteen".