93940397 has 4 divisors (see below), whose sum is σ = 93961020. Its totient is φ = 93919776.

The previous prime is 93940393. The next prime is 93940417. The reversal of 93940397 is 79304939.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 82065481 = 3446^2 + 9059^2 .

It is a cyclic number.

It is not a de Polignac number, because 93940397 - 2² = 93940393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93940391) 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, 122 + ... + 13707.

It is an arithmetic number, because the mean of its divisors is an integer number (23490255).

Almost surely, 2^93940397 is an apocalyptic number.

It is an amenable number.

93940397 is a deficient number, since it is larger than the sum of its proper divisors (20623).

93940397 is a wasteful number, since it uses less digits than its factorization.

93940397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20622.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 93940397 is about 9692.2854373981. The cubic root of 93940397 is about 454.5874729726.

The spelling of 93940397 in words is "ninety-three million, nine hundred forty thousand, three hundred ninety-seven".