3458581 has 4 divisors (see below), whose sum is σ = 3952672. Its totient is φ = 2964492.

The previous prime is 3458573. The next prime is 3458597. The reversal of 3458581 is 1858543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3458581 - 2³ = 3458573 is a prime.

It is a super-2 number, since 2×3458581² = 23923565067122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3458281) 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, 247035 + ... + 247048.

It is an arithmetic number, because the mean of its divisors is an integer number (988168).

Almost surely, 2^3458581 is an apocalyptic number.

It is an amenable number.

3458581 is a deficient number, since it is larger than the sum of its proper divisors (494091).

3458581 is an equidigital number, since it uses as much as digits as its factorization.

3458581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494090.

The product of its digits is 19200, while the sum is 34.

The square root of 3458581 is about 1859.7260550952. The cubic root of 3458581 is about 151.2281538468.

The spelling of 3458581 in words is "three million, four hundred fifty-eight thousand, five hundred eighty-one".