84355474 has 16 divisors (see below), whose sum is σ = 144793728. Its totient is φ = 36106272.

The previous prime is 84355471. The next prime is 84355477. The reversal of 84355474 is 47455348.

It is an interprime number because it is at equal distance from previous prime (84355471) and next prime (84355477).

It is not an unprimeable number, because it can be changed into a prime (84355471) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9022 + ... + 15814.

It is an arithmetic number, because the mean of its divisors is an integer number (9049608).

Almost surely, 2^84355474 is an apocalyptic number.

84355474 is a deficient number, since it is larger than the sum of its proper divisors (60438254).

84355474 is a wasteful number, since it uses less digits than its factorization.

84355474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7689.

The product of its digits is 268800, while the sum is 40.

The square root of 84355474 is about 9184.5236131222. The cubic root of 84355474 is about 438.5688244207.

The spelling of 84355474 in words is "eighty-four million, three hundred fifty-five thousand, four hundred seventy-four".