36628447 has 4 divisors (see below), whose sum is σ = 38556280. Its totient is φ = 34700616.

The previous prime is 36628433. The next prime is 36628499. The reversal of 36628447 is 74482663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74482663 = 4273 ⋅17431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36628447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36628547) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963888 + ... + 963925.

It is an arithmetic number, because the mean of its divisors is an integer number (9639070).

Almost surely, 2^36628447 is an apocalyptic number.

36628447 is a deficient number, since it is larger than the sum of its proper divisors (1927833).

36628447 is a wasteful number, since it uses less digits than its factorization.

36628447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927832.

The product of its digits is 193536, while the sum is 40.

The square root of 36628447 is about 6052.1440002697. The cubic root of 36628447 is about 332.1030278543.

The spelling of 36628447 in words is "thirty-six million, six hundred twenty-eight thousand, four hundred forty-seven".