84947954 has 16 divisors (see below), whose sum is σ = 156827328. Its totient is φ = 33605712.

The previous prime is 84947909. The next prime is 84947959. The reversal of 84947954 is 45974948.

It is a super-2 number, since 2×84947954² = 14432309777572232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84947959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233192 + ... + 233555.

It is an arithmetic number, because the mean of its divisors is an integer number (9801708).

Almost surely, 2^84947954 is an apocalyptic number.

84947954 is a deficient number, since it is larger than the sum of its proper divisors (71879374).

84947954 is a wasteful number, since it uses less digits than its factorization.

84947954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466769.

The product of its digits is 1451520, while the sum is 50.

The square root of 84947954 is about 9216.7214344364. The cubic root of 84947954 is about 439.5932087377.

The spelling of 84947954 in words is "eighty-four million, nine hundred forty-seven thousand, nine hundred fifty-four".