36406647 has 12 divisors (see below), whose sum is σ = 53870544. Its totient is φ = 23678880.

The previous prime is 36406627. The next prime is 36406651. The reversal of 36406647 is 74660463.

36406647 is a `hidden beast` number, since 3 + 6 + 4 + 0 + 6 + 647 = 666.

It is not a de Polignac number, because 36406647 - 2¹⁰ = 36405623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36406627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48963 + ... + 49700.

It is an arithmetic number, because the mean of its divisors is an integer number (4489212).

Almost surely, 2^36406647 is an apocalyptic number.

36406647 is a deficient number, since it is larger than the sum of its proper divisors (17463897).

36406647 is a wasteful number, since it uses less digits than its factorization.

36406647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98710 (or 98707 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 36406647 is about 6033.7920912143. The cubic root of 36406647 is about 331.4313310260.

The spelling of 36406647 in words is "thirty-six million, four hundred six thousand, six hundred forty-seven".