84403457 has 4 divisors (see below), whose sum is σ = 84596160. Its totient is φ = 84210756.

The previous prime is 84403439. The next prime is 84403481. The reversal of 84403457 is 75430448.

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 84403457 - 2⁶ = 84403393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84406457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95693 + ... + 96570.

It is an arithmetic number, because the mean of its divisors is an integer number (21149040).

Almost surely, 2^84403457 is an apocalyptic number.

It is an amenable number.

84403457 is a deficient number, since it is larger than the sum of its proper divisors (192703).

84403457 is a wasteful number, since it uses less digits than its factorization.

84403457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192702.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 84403457 is about 9187.1354077318. The cubic root of 84403457 is about 438.6519640919.

The spelling of 84403457 in words is "eighty-four million, four hundred three thousand, four hundred fifty-seven".