46821239 has 8 divisors (see below), whose sum is σ = 47329392. Its totient is φ = 46316160.

The previous prime is 46821223. The next prime is 46821241. The reversal of 46821239 is 93212864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 46821239 - 2⁴ = 46821223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46821199 and 46821208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46821739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41132 + ... + 42254.

It is an arithmetic number, because the mean of its divisors is an integer number (5916174).

Almost surely, 2^46821239 is an apocalyptic number.

46821239 is a deficient number, since it is larger than the sum of its proper divisors (508153).

46821239 is a wasteful number, since it uses less digits than its factorization.

46821239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its digits is 20736, while the sum is 35.

The square root of 46821239 is about 6842.6046941205. The cubic root of 46821239 is about 360.4244966828.

The spelling of 46821239 in words is "forty-six million, eight hundred twenty-one thousand, two hundred thirty-nine".