84213914 has 4 divisors (see below), whose sum is σ = 126320874. Its totient is φ = 42106956.

The previous prime is 84213907. The next prime is 84213917. The reversal of 84213914 is 41931248.

It is a happy number.

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., 65334889 + 18879025 = 8083^2 + 4345^2 .

It is a super-2 number, since 2×84213914² = 14183966622398792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84213917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21053477 + ... + 21053480.

Almost surely, 2^84213914 is an apocalyptic number.

84213914 is a deficient number, since it is larger than the sum of its proper divisors (42106960).

84213914 is a wasteful number, since it uses less digits than its factorization.

84213914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42106959.

The product of its digits is 6912, while the sum is 32.

The square root of 84213914 is about 9176.8139351302. The cubic root of 84213914 is about 438.3233609449.

The spelling of 84213914 in words is "eighty-four million, two hundred thirteen thousand, nine hundred fourteen".