3499965 has 48 divisors (see below), whose sum is σ = 7128576. Its totient is φ = 1555200.

The previous prime is 3499921. The next prime is 3499967. The reversal of 3499965 is 5699943.

It is a happy number.

It is not a de Polignac number, because 3499965 - 2⁸ = 3499709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

3499965 is a lucky number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 3499965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12780 + ... + 13050.

It is an arithmetic number, because the mean of its divisors is an integer number (148512).

Almost surely, 2^3499965 is an apocalyptic number.

3499965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3499965 is an abundant number, since it is smaller than the sum of its proper divisors (3628611).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3499965 is a wasteful number, since it uses less digits than its factorization.

3499965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 327 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 3499965 is about 1870.8193392201. The cubic root of 3499965 is about 151.8289424939.

3499965 divided by its sum of digits (45) gives a palindrome (77777).

It can be divided in two parts, 34 and 99965, that added together give a palindrome (99999).

The spelling of 3499965 in words is "three million, four hundred ninety-nine thousand, nine hundred sixty-five".