3699438 has 16 divisors (see below), whose sum is σ = 7834320. Its totient is φ = 1160576.

The previous prime is 3699431. The next prime is 3699439. The reversal of 3699438 is 8349963.

It is a d-powerful number, because it can be written as 3⁸ + 6⁴ + 9 + 9² + 4² + 3¹³ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3699438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3699431) 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 7 ways as a sum of consecutive naturals, for example, 18033 + ... + 18236.

It is an arithmetic number, because the mean of its divisors is an integer number (489645).

Almost surely, 2^3699438 is an apocalyptic number.

3699438 is an abundant number, since it is smaller than the sum of its proper divisors (4134882).

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

3699438 is a wasteful number, since it uses less digits than its factorization.

3699438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36291.

The product of its digits is 139968, while the sum is 42.

The square root of 3699438 is about 1923.3923156756. The cubic root of 3699438 is about 154.6602060404.

The spelling of 3699438 in words is "three million, six hundred ninety-nine thousand, four hundred thirty-eight".