46289909 has 4 divisors (see below), whose sum is σ = 48726240. Its totient is φ = 43853580.

The previous prime is 46289897. The next prime is 46289917. The reversal of 46289909 is 90998264.

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 a de Polignac number, because none of the positive numbers 2^k-46289909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46289959) 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, 1218137 + ... + 1218174.

It is an arithmetic number, because the mean of its divisors is an integer number (12181560).

Almost surely, 2^46289909 is an apocalyptic number.

It is an amenable number.

46289909 is a deficient number, since it is larger than the sum of its proper divisors (2436331).

46289909 is a wasteful number, since it uses less digits than its factorization.

46289909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436330.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 46289909 is about 6803.6687897046. The cubic root of 46289909 is about 359.0559343639.

The spelling of 46289909 in words is "forty-six million, two hundred eighty-nine thousand, nine hundred nine".