534404191 has 4 divisors (see below), whose sum is σ = 534511584. Its totient is φ = 534296800.

The previous prime is 534404183. The next prime is 534404201. The reversal of 534404191 is 191404435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191404435 = 5 ⋅38280887.

It is a cyclic number.

It is not a de Polignac number, because 534404191 - 2³ = 534404183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534404161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45850 + ... + 56311.

It is an arithmetic number, because the mean of its divisors is an integer number (133627896).

Almost surely, 2^534404191 is an apocalyptic number.

534404191 is a deficient number, since it is larger than the sum of its proper divisors (107393).

534404191 is a wasteful number, since it uses less digits than its factorization.

534404191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107392.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 534404191 is about 23117.1838899119. The cubic root of 534404191 is about 811.5026676029.

The spelling of 534404191 in words is "five hundred thirty-four million, four hundred four thousand, one hundred ninety-one".