3699378 has 16 divisors (see below), whose sum is σ = 8220960. Its totient is φ = 1233108.

The previous prime is 3699373. The next prime is 3699379. The reversal of 3699378 is 8739963.

It is a happy number.

3699378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3699373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34200 + ... + 34307.

It is an arithmetic number, because the mean of its divisors is an integer number (513810).

Almost surely, 2^3699378 is an apocalyptic number.

3699378 is an abundant number, since it is smaller than the sum of its proper divisors (4521582).

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

3699378 is a wasteful number, since it uses less digits than its factorization.

3699378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68518 (or 68512 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3699378 is about 1923.3767181704. The cubic root of 3699378 is about 154.6593699078.

The spelling of 3699378 in words is "three million, six hundred ninety-nine thousand, three hundred seventy-eight".