46404021 has 8 divisors (see below), whose sum is σ = 62145504. Its totient is φ = 30799280.

The previous prime is 46404011. The next prime is 46404077. The reversal of 46404021 is 12040464.

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 46404021 - 2⁵ = 46403989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46404011) 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, 33390 + ... + 34751.

It is an arithmetic number, because the mean of its divisors is an integer number (7768188).

Almost surely, 2^46404021 is an apocalyptic number.

It is an amenable number.

46404021 is a deficient number, since it is larger than the sum of its proper divisors (15741483).

46404021 is a wasteful number, since it uses less digits than its factorization.

46404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68371.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 46404021 is about 6812.0496915393. The cubic root of 46404021 is about 359.3507356119.

Adding to 46404021 its reverse (12040464), we get a palindrome (58444485).

The spelling of 46404021 in words is "forty-six million, four hundred four thousand, twenty-one".