36919845 has 12 divisors (see below), whose sum is σ = 63994476. Its totient is φ = 19690560.

The previous prime is 36919829. The next prime is 36919867. The reversal of 36919845 is 54891963.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 31911201 = 2238^2 + 5649^2 .

It is not a de Polignac number, because 36919845 - 2⁴ = 36919829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 820441 = 36919845 / (3 + 6 + 9 + 1 + 9 + 8 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 36919845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410176 + ... + 410265.

It is an arithmetic number, because the mean of its divisors is an integer number (5332873).

Almost surely, 2^36919845 is an apocalyptic number.

It is an amenable number.

36919845 is a deficient number, since it is larger than the sum of its proper divisors (27074631).

36919845 is a wasteful number, since it uses less digits than its factorization.

36919845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820452 (or 820449 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 36919845 is about 6076.1702576541. The cubic root of 36919845 is about 332.9813857517.

The spelling of 36919845 in words is "thirty-six million, nine hundred nineteen thousand, eight hundred forty-five".