36405867 has 4 divisors (see below), whose sum is σ = 48541160. Its totient is φ = 24270576.

The previous prime is 36405851. The next prime is 36405877. The reversal of 36405867 is 76850463.

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

It is not a de Polignac number, because 36405867 - 2⁴ = 36405851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36405847) 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, 6067642 + ... + 6067647.

It is an arithmetic number, because the mean of its divisors is an integer number (12135290).

Almost surely, 2^36405867 is an apocalyptic number.

36405867 is a deficient number, since it is larger than the sum of its proper divisors (12135293).

36405867 is a wasteful number, since it uses less digits than its factorization.

36405867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135292.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 36405867 is about 6033.7274548988. The cubic root of 36405867 is about 331.4289640747.

The spelling of 36405867 in words is "thirty-six million, four hundred five thousand, eight hundred sixty-seven".