46244021 has 4 divisors (see below), whose sum is σ = 46258092. Its totient is φ = 46229952.

The previous prime is 46243991. The next prime is 46244027. The reversal of 46244021 is 12044264.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45711121 + 532900 = 6761^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 46244021 - 2⁶ = 46243957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46244027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 9651.

It is an arithmetic number, because the mean of its divisors is an integer number (11564523).

Almost surely, 2^46244021 is an apocalyptic number.

It is an amenable number.

46244021 is a deficient number, since it is larger than the sum of its proper divisors (14071).

46244021 is an equidigital number, since it uses as much as digits as its factorization.

46244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14070.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 46244021 is about 6800.2956553373. The cubic root of 46244021 is about 358.9372489851.

Adding to 46244021 its reverse (12044264), we get a palindrome (58288285).

The spelling of 46244021 in words is "forty-six million, two hundred forty-four thousand, twenty-one".