36904019 has 4 divisors (see below), whose sum is σ = 37762296. Its totient is φ = 36045744.

The previous prime is 36904013. The next prime is 36904031. The reversal of 36904019 is 91040963.

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 36904019 - 2¹² = 36899923 is a prime.

It is a super-2 number, since 2×36904019² = 2723813236704722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36904013) 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, 429074 + ... + 429159.

It is an arithmetic number, because the mean of its divisors is an integer number (9440574).

Almost surely, 2^36904019 is an apocalyptic number.

36904019 is a deficient number, since it is larger than the sum of its proper divisors (858277).

36904019 is an equidigital number, since it uses as much as digits as its factorization.

36904019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858276.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 36904019 is about 6074.8678174920. The cubic root of 36904019 is about 332.9338005342.

The spelling of 36904019 in words is "thirty-six million, nine hundred four thousand, nineteen".