86941943 has 4 divisors (see below), whose sum is σ = 94845768. Its totient is φ = 79038120.

The previous prime is 86941903. The next prime is 86941969. The reversal of 86941943 is 34914968.

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 86941943 - 2¹⁸ = 86679799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86941894 and 86941903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86941903) 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, 3951896 + ... + 3951917.

It is an arithmetic number, because the mean of its divisors is an integer number (23711442).

Almost surely, 2^86941943 is an apocalyptic number.

86941943 is a deficient number, since it is larger than the sum of its proper divisors (7903825).

86941943 is a wasteful number, since it uses less digits than its factorization.

86941943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903824.

The product of its digits is 186624, while the sum is 44.

The square root of 86941943 is about 9324.2663518370. The cubic root of 86941943 is about 443.0061757416.

The spelling of 86941943 in words is "eighty-six million, nine hundred forty-one thousand, nine hundred forty-three".