84030412 has 18 divisors (see below), whose sum is σ = 148368668. Its totient is φ = 41641128.

The previous prime is 84030403. The next prime is 84030433. The reversal of 84030412 is 21403048.

It is a super-2 number, since 2×84030412² = 14122220281779488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233889 + ... + 234247.

Almost surely, 2^84030412 is an apocalyptic number.

It is an amenable number.

84030412 is a deficient number, since it is larger than the sum of its proper divisors (64338256).

84030412 is a wasteful number, since it uses less digits than its factorization.

84030412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 84030412 is about 9166.8103503891. The cubic root of 84030412 is about 438.0047607609.

The spelling of 84030412 in words is "eighty-four million, thirty thousand, four hundred twelve".