84213974 has 8 divisors (see below), whose sum is σ = 136038000. Its totient is φ = 38867976.

The previous prime is 84213973. The next prime is 84214003. The reversal of 84213974 is 47931248.

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 (84213973) 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, 1619474 + ... + 1619525.

It is an arithmetic number, because the mean of its divisors is an integer number (17004750).

Almost surely, 2^84213974 is an apocalyptic number.

84213974 is a deficient number, since it is larger than the sum of its proper divisors (51824026).

84213974 is a wasteful number, since it uses less digits than its factorization.

84213974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239014.

The product of its digits is 48384, while the sum is 38.

The square root of 84213974 is about 9176.8172042381. The cubic root of 84213974 is about 438.3234650425.

The spelling of 84213974 in words is "eighty-four million, two hundred thirteen thousand, nine hundred seventy-four".