84406954 has 4 divisors (see below), whose sum is σ = 126610434. Its totient is φ = 42203476.

The previous prime is 84406951. The next prime is 84406991. The reversal of 84406954 is 45960448.

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., 77035729 + 7371225 = 8777^2 + 2715^2 .

It is not an unprimeable number, because it can be changed into a prime (84406951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101737 + ... + 21101740.

Almost surely, 2^84406954 is an apocalyptic number.

84406954 is a deficient number, since it is larger than the sum of its proper divisors (42203480).

84406954 is a wasteful number, since it uses less digits than its factorization.

84406954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42203479.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 84406954 is about 9187.3257262383. The cubic root of 84406954 is about 438.6580220773.

The spelling of 84406954 in words is "eighty-four million, four hundred six thousand, nine hundred fifty-four".