46442021 has 8 divisors (see below), whose sum is σ = 49162080. Its totient is φ = 43796592.

The previous prime is 46442017. The next prime is 46442029. The reversal of 46442021 is 12024464.

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 46442021 - 2² = 46442017 is a prime.

It is a super-2 number, since 2×46442021² = 4313722629128882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46442029) 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 7 ways as a sum of consecutive naturals, for example, 17375 + ... + 19868.

It is an arithmetic number, because the mean of its divisors is an integer number (6145260).

Almost surely, 2^46442021 is an apocalyptic number.

It is an amenable number.

46442021 is a deficient number, since it is larger than the sum of its proper divisors (2720059).

46442021 is a wasteful number, since it uses less digits than its factorization.

46442021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37315.

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

The square root of 46442021 is about 6814.8382959539. The cubic root of 46442021 is about 359.4487989688.

Adding to 46442021 its reverse (12024464), we get a palindrome (58466485).

The spelling of 46442021 in words is "forty-six million, four hundred forty-two thousand, twenty-one".