83403407 has 4 divisors (see below), whose sum is σ = 87793080. Its totient is φ = 79013736.

The previous prime is 83403373. The next prime is 83403443. The reversal of 83403407 is 70430438.

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 83403407 - 2¹⁸ = 83141263 is a prime.

It is a super-2 number, since 2×83403407² = 13912256598415298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83403407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83403107) 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, 2194808 + ... + 2194845.

It is an arithmetic number, because the mean of its divisors is an integer number (21948270).

Almost surely, 2^83403407 is an apocalyptic number.

83403407 is a deficient number, since it is larger than the sum of its proper divisors (4389673).

83403407 is a wasteful number, since it uses less digits than its factorization.

83403407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389672.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 83403407 is about 9132.5465780362. The cubic root of 83403407 is about 436.9126280403.

The spelling of 83403407 in words is "eighty-three million, four hundred three thousand, four hundred seven".