36949669 has 4 divisors (see below), whose sum is σ = 36961900. Its totient is φ = 36937440.

The previous prime is 36949667. The next prime is 36949697. The reversal of 36949669 is 96694963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 27720225 = 3038^2 + 5265^2 .

It is a cyclic number.

It is not a de Polignac number, because 36949669 - 2¹ = 36949667 is a prime.

It is a super-2 number, since 2×36949669² = 2730556078419122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36949667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (9240475).

Almost surely, 2^36949669 is an apocalyptic number.

It is an amenable number.

36949669 is a deficient number, since it is larger than the sum of its proper divisors (12231).

36949669 is an equidigital number, since it uses as much as digits as its factorization.

36949669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230.

The product of its digits is 1889568, while the sum is 52.

The square root of 36949669 is about 6078.6239396758. The cubic root of 36949669 is about 333.0710228560.

The spelling of 36949669 in words is "thirty-six million, nine hundred forty-nine thousand, six hundred sixty-nine".