3499387 has 4 divisors (see below), whose sum is σ = 3556816. Its totient is φ = 3441960.

The previous prime is 3499369. The next prime is 3499409. The reversal of 3499387 is 7839943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7839943 = 1433 ⋅5471.

It is a cyclic number.

It is not a de Polignac number, because 3499387 - 2⁷ = 3499259 is a prime.

It is a Duffinian number.

3499387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3499337) 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, 28623 + ... + 28744.

It is an arithmetic number, because the mean of its divisors is an integer number (889204).

Almost surely, 2^3499387 is an apocalyptic number.

3499387 is a deficient number, since it is larger than the sum of its proper divisors (57429).

3499387 is an equidigital number, since it uses as much as digits as its factorization.

3499387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57428.

The product of its digits is 163296, while the sum is 43.

The square root of 3499387 is about 1870.6648550716. The cubic root of 3499387 is about 151.8205841284.

The spelling of 3499387 in words is "three million, four hundred ninety-nine thousand, three hundred eighty-seven".