93406939 has 4 divisors (see below), whose sum is σ = 94025680. Its totient is φ = 92788200.

The previous prime is 93406927. The next prime is 93406991. The reversal of 93406939 is 93960439.

It is a happy number.

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 93406939 - 2⁷ = 93406811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93406895 and 93406904.

It is not an unprimeable number, because it can be changed into a prime (93406919) 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, 309144 + ... + 309445.

It is an arithmetic number, because the mean of its divisors is an integer number (23506420).

Almost surely, 2^93406939 is an apocalyptic number.

93406939 is a deficient number, since it is larger than the sum of its proper divisors (618741).

93406939 is a wasteful number, since it uses less digits than its factorization.

93406939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618740.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 93406939 is about 9664.7265351897. The cubic root of 93406939 is about 453.7253525254.

The spelling of 93406939 in words is "ninety-three million, four hundred six thousand, nine hundred thirty-nine".