46639121 has 4 divisors (see below), whose sum is σ = 47092032. Its totient is φ = 46186212.

The previous prime is 46639079. The next prime is 46639123. The reversal of 46639121 is 12193664.

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 46639121 - 2⁶ = 46639057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46639123) 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, 226301 + ... + 226506.

It is an arithmetic number, because the mean of its divisors is an integer number (11773008).

Almost surely, 2^46639121 is an apocalyptic number.

It is an amenable number.

46639121 is a deficient number, since it is larger than the sum of its proper divisors (452911).

46639121 is a wasteful number, since it uses less digits than its factorization.

46639121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452910.

The product of its digits is 7776, while the sum is 32.

The square root of 46639121 is about 6829.2840766804. The cubic root of 46639121 is about 359.9565816978.

The spelling of 46639121 in words is "forty-six million, six hundred thirty-nine thousand, one hundred twenty-one".