84214031 has 4 divisors (see below), whose sum is σ = 91869864. Its totient is φ = 76558200.

The previous prime is 84214027. The next prime is 84214033. The reversal of 84214031 is 13041248.

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 84214031 - 2² = 84214027 is a prime.

It is a super-2 number, since 2×84214031² = 14184006034537922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84213988 and 84214006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84214033) 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, 3827900 + ... + 3827921.

It is an arithmetic number, because the mean of its divisors is an integer number (22967466).

Almost surely, 2^84214031 is an apocalyptic number.

84214031 is a deficient number, since it is larger than the sum of its proper divisors (7655833).

84214031 is a wasteful number, since it uses less digits than its factorization.

84214031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655832.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 84214031 is about 9176.8203098895. The cubic root of 84214031 is about 438.3235639351.

Adding to 84214031 its reverse (13041248), we get a palindrome (97255279).

The spelling of 84214031 in words is "eighty-four million, two hundred fourteen thousand, thirty-one".