46339921 has 4 divisors (see below), whose sum is σ = 46383412. Its totient is φ = 46296432.

The previous prime is 46339919. The next prime is 46339987. The reversal of 46339921 is 12993364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39237696 + 7102225 = 6264^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 46339921 - 2¹ = 46339919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46339901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20106 + ... + 22291.

It is an arithmetic number, because the mean of its divisors is an integer number (11595853).

Almost surely, 2^46339921 is an apocalyptic number.

It is an amenable number.

46339921 is a deficient number, since it is larger than the sum of its proper divisors (43491).

46339921 is a wasteful number, since it uses less digits than its factorization.

46339921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43490.

The product of its digits is 34992, while the sum is 37.

The square root of 46339921 is about 6807.3431674920. The cubic root of 46339921 is about 359.1851968220.

It can be divided in two parts, 463399 and 21, that multiplied together give a palindrome (9731379).

The spelling of 46339921 in words is "forty-six million, three hundred thirty-nine thousand, nine hundred twenty-one".