95643971 has 4 divisors (see below), whose sum is σ = 96796392. Its totient is φ = 94491552.

The previous prime is 95643949. The next prime is 95643973. The reversal of 95643971 is 17934659.

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

It is a cyclic number.

It is not a de Polignac number, because 95643971 - 2¹⁸ = 95381827 is a prime.

It is a super-3 number, since 3×95643971³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95643973) 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, 576086 + ... + 576251.

It is an arithmetic number, because the mean of its divisors is an integer number (24199098).

Almost surely, 2^95643971 is an apocalyptic number.

95643971 is a deficient number, since it is larger than the sum of its proper divisors (1152421).

95643971 is a wasteful number, since it uses less digits than its factorization.

95643971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152420.

The product of its digits is 204120, while the sum is 44.

The square root of 95643971 is about 9779.7735658859. The cubic root of 95643971 is about 457.3189521219.

The spelling of 95643971 in words is "ninety-five million, six hundred forty-three thousand, nine hundred seventy-one".