84903643 has 12 divisors (see below), whose sum is σ = 94861984. Its totient is φ = 75913200.

The previous prime is 84903631. The next prime is 84903659. The reversal of 84903643 is 34630948.

It is not a de Polignac number, because 84903643 - 2⁹ = 84903131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84903943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630 + ... + 13132.

Almost surely, 2^84903643 is an apocalyptic number.

84903643 is a deficient number, since it is larger than the sum of its proper divisors (9958341).

84903643 is a wasteful number, since it uses less digits than its factorization.

84903643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11586 (or 11575 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 84903643 is about 9214.3172834454. The cubic root of 84903643 is about 439.5167611341.

The spelling of 84903643 in words is "eighty-four million, nine hundred three thousand, six hundred forty-three".