84240406 has 8 divisors (see below), whose sum is σ = 133793640. Its totient is φ = 39642528.

The previous prime is 84240383. The next prime is 84240413. The reversal of 84240406 is 60404248.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238796 + ... + 1238863.

It is an arithmetic number, because the mean of its divisors is an integer number (16724205).

Almost surely, 2^84240406 is an apocalyptic number.

84240406 is a deficient number, since it is larger than the sum of its proper divisors (49553234).

84240406 is a wasteful number, since it uses less digits than its factorization.

84240406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477678.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 84240406 is about 9178.2572419823. The cubic root of 84240406 is about 438.3693186910.

The spelling of 84240406 in words is "eighty-four million, two hundred forty thousand, four hundred six".