84038554 has 4 divisors (see below), whose sum is σ = 126057834. Its totient is φ = 42019276.

The previous prime is 84038519. The next prime is 84038587. The reversal of 84038554 is 45583048.

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., 79691329 + 4347225 = 8927^2 + 2085^2 .

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 as a sum of consecutive naturals, namely, 21009637 + ... + 21009640.

Almost surely, 2^84038554 is an apocalyptic number.

84038554 is a deficient number, since it is larger than the sum of its proper divisors (42019280).

84038554 is a wasteful number, since it uses less digits than its factorization.

84038554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42019279.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 84038554 is about 9167.2544417617. The cubic root of 84038554 is about 438.0189069075.

The spelling of 84038554 in words is "eighty-four million, thirty-eight thousand, five hundred fifty-four".