3499765 has 4 divisors (see below), whose sum is σ = 4199724. Its totient is φ = 2799808.

The previous prime is 3499763. The next prime is 3499787. The reversal of 3499765 is 5679943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 1542564 = 1399^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 3499765 - 2¹ = 3499763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3499763) 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, 349972 + ... + 349981.

It is an arithmetic number, because the mean of its divisors is an integer number (1049931).

Almost surely, 2^3499765 is an apocalyptic number.

It is an amenable number.

3499765 is a deficient number, since it is larger than the sum of its proper divisors (699959).

3499765 is an equidigital number, since it uses as much as digits as its factorization.

3499765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699958.

The product of its digits is 204120, while the sum is 43.

The square root of 3499765 is about 1870.7658859408. The cubic root of 3499765 is about 151.8260504301.

It can be divided in two parts, 34 and 99765, that added together give a palindrome (99799).

The spelling of 3499765 in words is "three million, four hundred ninety-nine thousand, seven hundred sixty-five".