3699545 has 4 divisors (see below), whose sum is σ = 4439460. Its totient is φ = 2959632.

The previous prime is 3699533. The next prime is 3699583. The reversal of 3699545 is 5459963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5459963 = 199 ⋅27437.

It can be written as a sum of positive squares in 2 ways, for example, as 2383936 + 1315609 = 1544^2 + 1147^2 .

It is a cyclic number.

It is not a de Polignac number, because 3699545 - 2¹⁶ = 3634009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369950 + ... + 369959.

It is an arithmetic number, because the mean of its divisors is an integer number (1109865).

Almost surely, 2^3699545 is an apocalyptic number.

It is an amenable number.

3699545 is a deficient number, since it is larger than the sum of its proper divisors (739915).

3699545 is an equidigital number, since it uses as much as digits as its factorization.

3699545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739914.

The product of its digits is 145800, while the sum is 41.

The square root of 3699545 is about 1923.4201309126. The cubic root of 3699545 is about 154.6616971212.

The spelling of 3699545 in words is "three million, six hundred ninety-nine thousand, five hundred forty-five".