46428647 has 4 divisors (see below), whose sum is σ = 48872280. Its totient is φ = 43985016.

The previous prime is 46428631. The next prime is 46428661. The reversal of 46428647 is 74682464.

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 46428647 - 2⁴ = 46428631 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 (46428617) 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, 1221788 + ... + 1221825.

It is an arithmetic number, because the mean of its divisors is an integer number (12218070).

Almost surely, 2^46428647 is an apocalyptic number.

46428647 is a deficient number, since it is larger than the sum of its proper divisors (2443633).

46428647 is a wasteful number, since it uses less digits than its factorization.

46428647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443632.

The product of its digits is 258048, while the sum is 41.

The square root of 46428647 is about 6813.8569841170. The cubic root of 46428647 is about 359.4142919307.

The spelling of 46428647 in words is "forty-six million, four hundred twenty-eight thousand, six hundred forty-seven".