36840511 has 4 divisors (see below), whose sum is σ = 37003032. Its totient is φ = 36677992.

The previous prime is 36840499. The next prime is 36840539. The reversal of 36840511 is 11504863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36840511 - 2⁷ = 36840383 is a prime.

It is a super-2 number, since 2×36840511² = 2714446501482242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36840511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36840211) 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, 80920 + ... + 81373.

It is an arithmetic number, because the mean of its divisors is an integer number (9250758).

Almost surely, 2^36840511 is an apocalyptic number.

36840511 is a deficient number, since it is larger than the sum of its proper divisors (162521).

36840511 is a wasteful number, since it uses less digits than its factorization.

36840511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162520.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 36840511 is about 6069.6384571076. The cubic root of 36840511 is about 332.7427093302.

The spelling of 36840511 in words is "thirty-six million, eight hundred forty thousand, five hundred eleven".