46440321 has 4 divisors (see below), whose sum is σ = 61920432. Its totient is φ = 30960212.

The previous prime is 46440307. The next prime is 46440323. The reversal of 46440321 is 12304464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46440321 - 2¹⁰ = 46439297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46440291 and 46440300.

It is not an unprimeable number, because it can be changed into a prime (46440323) 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, 7740051 + ... + 7740056.

It is an arithmetic number, because the mean of its divisors is an integer number (15480108).

Almost surely, 2^46440321 is an apocalyptic number.

It is an amenable number.

46440321 is a deficient number, since it is larger than the sum of its proper divisors (15480111).

46440321 is a wasteful number, since it uses less digits than its factorization.

46440321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15480110.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 46440321 is about 6814.7135669814. The cubic root of 46440321 is about 359.4444130672. Note that the first 4 decimals are identical.

Adding to 46440321 its reverse (12304464), we get a palindrome (58744785).

The spelling of 46440321 in words is "forty-six million, four hundred forty thousand, three hundred twenty-one".