84397654 has 8 divisors (see below), whose sum is σ = 138105288. Its totient is φ = 38362560.

The previous prime is 84397631. The next prime is 84397657. The reversal of 84397654 is 45679348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84397657) 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, 1918107 + ... + 1918150.

It is an arithmetic number, because the mean of its divisors is an integer number (17263161).

Almost surely, 2^84397654 is an apocalyptic number.

84397654 is a deficient number, since it is larger than the sum of its proper divisors (53707634).

84397654 is a wasteful number, since it uses less digits than its factorization.

84397654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836270.

The product of its digits is 725760, while the sum is 46.

The square root of 84397654 is about 9186.8195802465. The cubic root of 84397654 is about 438.6419109662.

The spelling of 84397654 in words is "eighty-four million, three hundred ninety-seven thousand, six hundred fifty-four".