84005901 has 48 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 46500480.

The previous prime is 84005899. The next prime is 84005903. The reversal of 84005901 is 10950048.

It is an interprime number because it is at equal distance from previous prime (84005899) and next prime (84005903).

It is not a de Polignac number, because 84005901 - 2¹ = 84005899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84005903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464031 + ... + 464211.

It is an arithmetic number, because the mean of its divisors is an integer number (2981160).

Almost surely, 2^84005901 is an apocalyptic number.

It is an amenable number.

84005901 is a deficient number, since it is larger than the sum of its proper divisors (59089779).

84005901 is a wasteful number, since it uses less digits than its factorization.

84005901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 84005901 is about 9165.4733102006. The cubic root of 84005901 is about 437.9621691226.

Adding to 84005901 its reverse (10950048), we get a palindrome (94955949).

The spelling of 84005901 in words is "eighty-four million, five thousand, nine hundred one".