46438109 has 4 divisors (see below), whose sum is σ = 48882240. Its totient is φ = 43993980.

The previous prime is 46438099. The next prime is 46438121. The reversal of 46438109 is 90183464.

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 46438109 - 2¹² = 46434013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46438009) 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, 1222037 + ... + 1222074.

It is an arithmetic number, because the mean of its divisors is an integer number (12220560).

Almost surely, 2^46438109 is an apocalyptic number.

It is an amenable number.

46438109 is a deficient number, since it is larger than the sum of its proper divisors (2444131).

46438109 is a wasteful number, since it uses less digits than its factorization.

46438109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444130.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 46438109 is about 6814.5512691593. The cubic root of 46438109 is about 359.4387060748.

The spelling of 46438109 in words is "forty-six million, four hundred thirty-eight thousand, one hundred nine".