966696838 has 4 divisors (see below), whose sum is σ = 1450045260. Its totient is φ = 483348418.

The previous prime is 966696833. The next prime is 966696881. The reversal of 966696838 is 838696669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838696669 = 157 ⋅5342017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966696833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241674208 + ... + 241674211.

It is an arithmetic number, because the mean of its divisors is an integer number (362511315).

Almost surely, 2^966696838 is an apocalyptic number.

966696838 is a deficient number, since it is larger than the sum of its proper divisors (483348422).

966696838 is a wasteful number, since it uses less digits than its factorization.

966696838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483348421.

The product of its digits is 20155392, while the sum is 61.

The square root of 966696838 is about 31091.7487124800. The cubic root of 966696838 is about 988.7733806749.

The spelling of 966696838 in words is "nine hundred sixty-six million, six hundred ninety-six thousand, eight hundred thirty-eight".