84361874 has 4 divisors (see below), whose sum is σ = 126542814. Its totient is φ = 42180936.

The previous prime is 84361873. The next prime is 84361877. The reversal of 84361874 is 47816348.

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

It can be written as a sum of positive squares in only one way, i.e., 83850649 + 511225 = 9157^2 + 715^2 .

It is not an unprimeable number, because it can be changed into a prime (84361873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21090467 + ... + 21090470.

Almost surely, 2^84361874 is an apocalyptic number.

84361874 is a deficient number, since it is larger than the sum of its proper divisors (42180940).

84361874 is a wasteful number, since it uses less digits than its factorization.

84361874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42180939.

The product of its digits is 129024, while the sum is 41.

The square root of 84361874 is about 9184.8720187055. The cubic root of 84361874 is about 438.5799154595.

The spelling of 84361874 in words is "eighty-four million, three hundred sixty-one thousand, eight hundred seventy-four".