36421859 has 4 divisors (see below), whose sum is σ = 36511320. Its totient is φ = 36332400.

The previous prime is 36421849. The next prime is 36421867. The reversal of 36421859 is 95812463.

It is a happy number.

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 36421859 - 2⁴ = 36421843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36421849) 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, 44117 + ... + 44934.

It is an arithmetic number, because the mean of its divisors is an integer number (9127830).

Almost surely, 2^36421859 is an apocalyptic number.

36421859 is a deficient number, since it is larger than the sum of its proper divisors (89461).

36421859 is an equidigital number, since it uses as much as digits as its factorization.

36421859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89460.

The product of its digits is 51840, while the sum is 38.

The square root of 36421859 is about 6035.0525266977. The cubic root of 36421859 is about 331.4774858886.

The spelling of 36421859 in words is "thirty-six million, four hundred twenty-one thousand, eight hundred fifty-nine".