46287421 has 4 divisors (see below), whose sum is σ = 46404412. Its totient is φ = 46170432.

The previous prime is 46287403. The next prime is 46287467. The reversal of 46287421 is 12478264.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 26163225 = 4486^2 + 5115^2 .

It is a cyclic number.

It is not a de Polignac number, because 46287421 - 2²¹ = 44190269 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 (46287491) 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, 57900 + ... + 58693.

It is an arithmetic number, because the mean of its divisors is an integer number (11601103).

Almost surely, 2^46287421 is an apocalyptic number.

It is an amenable number.

46287421 is a deficient number, since it is larger than the sum of its proper divisors (116991).

46287421 is a wasteful number, since it uses less digits than its factorization.

46287421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116990.

The product of its digits is 21504, while the sum is 34.

The square root of 46287421 is about 6803.4859447198. The cubic root of 46287421 is about 359.0495013768.

The spelling of 46287421 in words is "forty-six million, two hundred eighty-seven thousand, four hundred twenty-one".