3458749 has 4 divisors (see below), whose sum is σ = 3952864. Its totient is φ = 2964636.

The previous prime is 3458747. The next prime is 3458771. The reversal of 3458749 is 9478543.

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 3458749 - 2¹ = 3458747 is a prime.

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 (3458747) 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 3 ways as a sum of consecutive naturals, for example, 247047 + ... + 247060.

It is an arithmetic number, because the mean of its divisors is an integer number (988216).

Almost surely, 2^3458749 is an apocalyptic number.

It is an amenable number.

3458749 is a deficient number, since it is larger than the sum of its proper divisors (494115).

3458749 is an equidigital number, since it uses as much as digits as its factorization.

3458749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494114.

The product of its digits is 120960, while the sum is 40.

The square root of 3458749 is about 1859.7712224895. The cubic root of 3458749 is about 151.2306024347.

The spelling of 3458749 in words is "three million, four hundred fifty-eight thousand, seven hundred forty-nine".