84149371 has 4 divisors (see below), whose sum is σ = 89099352. Its totient is φ = 79199392.

The previous prime is 84149369. The next prime is 84149381. The reversal of 84149371 is 17394148.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84149371 - 2¹ = 84149369 is a prime.

It is a super-2 number, since 2×84149371² = 14162233279391282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84149371.

It is not an unprimeable number, because it can be changed into a prime (84149321) 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, 2474965 + ... + 2474998.

It is an arithmetic number, because the mean of its divisors is an integer number (22274838).

Almost surely, 2^84149371 is an apocalyptic number.

84149371 is a deficient number, since it is larger than the sum of its proper divisors (4949981).

84149371 is a wasteful number, since it uses less digits than its factorization.

84149371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949980.

The product of its digits is 24192, while the sum is 37.

The square root of 84149371 is about 9173.2966266223. The cubic root of 84149371 is about 438.2113527904.

The spelling of 84149371 in words is "eighty-four million, one hundred forty-nine thousand, three hundred seventy-one".