3699969 has 16 divisors (see below), whose sum is σ = 6072192. Its totient is φ = 1951488.

The previous prime is 3699961. The next prime is 3700001. The reversal of 3699969 is 9699963.

It is not a de Polignac number, because 3699969 - 2³ = 3699961 is a prime.

It is a super-2 number, since 2×3699969² = 27379541201922, which contains 22 as substring.

3699969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3699961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6504 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (379512).

Almost surely, 2^3699969 is an apocalyptic number.

3699969 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3699969 is a deficient number, since it is larger than the sum of its proper divisors (2372223).

3699969 is a wasteful number, since it uses less digits than its factorization.

3699969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13576.

The product of its digits is 708588, while the sum is 51.

The square root of 3699969 is about 1923.5303480840. The cubic root of 3699969 is about 154.6676054202.

The spelling of 3699969 in words is "three million, six hundred ninety-nine thousand, nine hundred sixty-nine".