46209021 has 8 divisors (see below), whose sum is σ = 62055840. Its totient is φ = 30584112.

The previous prime is 46209019. The next prime is 46209109. The reversal of 46209021 is 12090264.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46209021 - 2¹ = 46209019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46208982 and 46209000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46209011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54990 + ... + 55823.

It is an arithmetic number, because the mean of its divisors is an integer number (7756980).

Almost surely, 2^46209021 is an apocalyptic number.

It is an amenable number.

46209021 is a deficient number, since it is larger than the sum of its proper divisors (15846819).

46209021 is a wasteful number, since it uses less digits than its factorization.

46209021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110955.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 46209021 is about 6797.7217507044. The cubic root of 46209021 is about 358.8466716940.

Adding to 46209021 its reverse (12090264), we get a palindrome (58299285).

The spelling of 46209021 in words is "forty-six million, two hundred nine thousand, twenty-one".