4235491 has 4 divisors (see below), whose sum is σ = 4561312. Its totient is φ = 3909672.

The previous prime is 4235471. The next prime is 4235503. The reversal of 4235491 is 1945324.

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

It is not a de Polignac number, because 4235491 - 2¹³ = 4227299 is a prime.

It is a super-2 number, since 2×4235491² = 35878768022162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4235401) 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, 162891 + ... + 162916.

It is an arithmetic number, because the mean of its divisors is an integer number (1140328).

Almost surely, 2^4235491 is an apocalyptic number.

4235491 is a deficient number, since it is larger than the sum of its proper divisors (325821).

4235491 is a wasteful number, since it uses less digits than its factorization.

4235491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325820.

The product of its digits is 4320, while the sum is 28.

The square root of 4235491 is about 2058.0308549679. The cubic root of 4235491 is about 161.7960523483.

The spelling of 4235491 in words is "four million, two hundred thirty-five thousand, four hundred ninety-one".