83401493 has 4 divisors (see below), whose sum is σ = 95316000. Its totient is φ = 71486988.

The previous prime is 83401463. The next prime is 83401511. The reversal of 83401493 is 39410438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83401493 - 2¹² = 83397397 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 (83401403) 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, 5957243 + ... + 5957256.

It is an arithmetic number, because the mean of its divisors is an integer number (23829000).

Almost surely, 2^83401493 is an apocalyptic number.

It is an amenable number.

83401493 is a deficient number, since it is larger than the sum of its proper divisors (11914507).

83401493 is a wasteful number, since it uses less digits than its factorization.

83401493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914506.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 83401493 is about 9132.4417873863. The cubic root of 83401493 is about 436.9092858220.

The spelling of 83401493 in words is "eighty-three million, four hundred one thousand, four hundred ninety-three".