84457001 has 8 divisors (see below), whose sum is σ = 86048064. Its totient is φ = 82872720.

The previous prime is 84456971. The next prime is 84457039. The reversal of 84457001 is 10075448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84457001 - 2⁶ = 84456937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84457201) 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, 28286 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (10756008).

Almost surely, 2^84457001 is an apocalyptic number.

It is an amenable number.

84457001 is a deficient number, since it is larger than the sum of its proper divisors (1591063).

84457001 is a wasteful number, since it uses less digits than its factorization.

84457001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 84457001 is about 9190.0490205439. The cubic root of 84457001 is about 438.7447020624.

The spelling of 84457001 in words is "eighty-four million, four hundred fifty-seven thousand, one".