46645647 has 4 divisors (see below), whose sum is σ = 62194200. Its totient is φ = 31097096.

The previous prime is 46645631. The next prime is 46645657. The reversal of 46645647 is 74654664.

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 46645647 - 2⁴ = 46645631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46645599 and 46645608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46645657) 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, 7774272 + ... + 7774277.

It is an arithmetic number, because the mean of its divisors is an integer number (15548550).

Almost surely, 2^46645647 is an apocalyptic number.

46645647 is a deficient number, since it is larger than the sum of its proper divisors (15548553).

46645647 is a wasteful number, since it uses less digits than its factorization.

46645647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15548552.

The product of its digits is 483840, while the sum is 42.

The square root of 46645647 is about 6829.7618552919. The cubic root of 46645647 is about 359.9733699437.

The spelling of 46645647 in words is "forty-six million, six hundred forty-five thousand, six hundred forty-seven".