189846481 has 16 divisors (see below), whose sum is σ = 210651840. Its totient is φ = 169654720.

The previous prime is 189846473. The next prime is 189846491. The reversal of 189846481 is 184648981.

189846481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 189846481 - 2³ = 189846473 is a prime.

It is a super-2 number, since 2×189846481² = 72083372696166722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189846421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245211 + ... + 245983.

It is an arithmetic number, because the mean of its divisors is an integer number (13165740).

Almost surely, 2^189846481 is an apocalyptic number.

189846481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

189846481 is a deficient number, since it is larger than the sum of its proper divisors (20805359).

189846481 is a wasteful number, since it uses less digits than its factorization.

189846481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its digits is 442368, while the sum is 49.

The square root of 189846481 is about 13778.4789073395. The cubic root of 189846481 is about 574.7348302208.

The spelling of 189846481 in words is "one hundred eighty-nine million, eight hundred forty-six thousand, four hundred eighty-one".