3695149 has 2 divisors, whose sum is σ = 3695150. Its totient is φ = 3695148.

The previous prime is 3695143. The next prime is 3695173. The reversal of 3695149 is 9415963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 1612900 = 1443^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3695149 - 2³ = 3695141 is a prime.

It is a super-2 number, since 2×3695149² = 27308252264402, which contains 22 as substring.

It is an Ulam number.

3695149 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3695141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847574 + 1847575.

It is an arithmetic number, because the mean of its divisors is an integer number (1847575).

Almost surely, 2^3695149 is an apocalyptic number.

It is an amenable number.

3695149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3695149 is an equidigital number, since it uses as much as digits as its factorization.

3695149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 3695149 is about 1922.2770351851. The cubic root of 3695149 is about 154.6004137027.

It can be divided in two parts, 3695 and 149, that added together give a square (3844 = 62²).

The spelling of 3695149 in words is "three million, six hundred ninety-five thousand, one hundred forty-nine".