84406034 has 4 divisors (see below), whose sum is σ = 126609054. Its totient is φ = 42203016.

The previous prime is 84406019. The next prime is 84406039. The reversal of 84406034 is 43060448.

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., 81956809 + 2449225 = 9053^2 + 1565^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84405988 and 84406006.

It is not an unprimeable number, because it can be changed into a prime (84406039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101507 + ... + 21101510.

Almost surely, 2^84406034 is an apocalyptic number.

84406034 is a deficient number, since it is larger than the sum of its proper divisors (42203020).

84406034 is a wasteful number, since it uses less digits than its factorization.

84406034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42203019.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 84406034 is about 9187.2756571249. The cubic root of 84406034 is about 438.6564283427.

The spelling of 84406034 in words is "eighty-four million, four hundred six thousand, thirty-four".