84641407 has 8 divisors (see below), whose sum is σ = 87212736. Its totient is φ = 82102272.

The previous prime is 84641363. The next prime is 84641411. The reversal of 84641407 is 70414648.

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

It is a cyclic number.

It is not a de Polignac number, because 84641407 - 2⁷ = 84641279 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 (84641437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658 + ... + 13279.

It is an arithmetic number, because the mean of its divisors is an integer number (10901592).

Almost surely, 2^84641407 is an apocalyptic number.

84641407 is a deficient number, since it is larger than the sum of its proper divisors (2571329).

84641407 is a wasteful number, since it uses less digits than its factorization.

84641407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16097.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 84641407 is about 9200.0764670735. The cubic root of 84641407 is about 439.0637928061.

The spelling of 84641407 in words is "eighty-four million, six hundred forty-one thousand, four hundred seven".