84801381 has 8 divisors (see below), whose sum is σ = 129221184. Its totient is φ = 48457920.

The previous prime is 84801347. The next prime is 84801383. The reversal of 84801381 is 18310848.

It is a happy number.

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

It is not a de Polignac number, because 84801381 - 2⁹ = 84800869 is a prime.

It is a super-2 number, since 2×84801381² = 14382548439014322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84801383) 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, 2019060 + ... + 2019101.

It is an arithmetic number, because the mean of its divisors is an integer number (16152648).

Almost surely, 2^84801381 is an apocalyptic number.

It is an amenable number.

84801381 is a deficient number, since it is larger than the sum of its proper divisors (44419803).

84801381 is a wasteful number, since it uses less digits than its factorization.

84801381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038171.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 84801381 is about 9208.7665297802. The cubic root of 84801381 is about 439.3402319201.

The spelling of 84801381 in words is "eighty-four million, eight hundred one thousand, three hundred eighty-one".