84474001 has 4 divisors (see below), whose sum is σ = 84508452. Its totient is φ = 84439552.

The previous prime is 84473999. The next prime is 84474043. The reversal of 84474001 is 10047448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58920976 + 25553025 = 7676^2 + 5055^2 .

It is a cyclic number.

It is not a de Polignac number, because 84474001 - 2¹ = 84473999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84474601) 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 3 ways as a sum of consecutive naturals, for example, 13240 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (21127113).

Almost surely, 2^84474001 is an apocalyptic number.

It is an amenable number.

84474001 is a deficient number, since it is larger than the sum of its proper divisors (34451).

84474001 is a wasteful number, since it uses less digits than its factorization.

84474001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34450.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 84474001 is about 9190.9738874615. The cubic root of 84474001 is about 438.7741377889.

The spelling of 84474001 in words is "eighty-four million, four hundred seventy-four thousand, one".