4354991 has 6 divisors (see below), whose sum is σ = 4406976. Its totient is φ = 4303500.

The previous prime is 4354969. The next prime is 4355053. The reversal of 4354991 is 1994534.

It is not a de Polignac number, because 4354991 - 2¹⁰ = 4353967 is a prime.

It is a super-2 number, since 2×4354991² = 37931893220162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4354921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22706 + ... + 22896.

It is an arithmetic number, because the mean of its divisors is an integer number (734496).

Almost surely, 2^4354991 is an apocalyptic number.

4354991 is a deficient number, since it is larger than the sum of its proper divisors (51985).

4354991 is an equidigital number, since it uses as much as digits as its factorization.

4354991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 342 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 4354991 is about 2086.8615191239. The cubic root of 4354991 is about 163.3035981781.

The spelling of 4354991 in words is "four million, three hundred fifty-four thousand, nine hundred ninety-one".