46388919 has 4 divisors (see below), whose sum is σ = 61851896. Its totient is φ = 30925944.

The previous prime is 46388897. The next prime is 46388929. The reversal of 46388919 is 91988364.

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

It is not a de Polignac number, because 46388919 - 2⁸ = 46388663 is a prime.

It is a super-2 number, since 2×46388919² = 4303863611977122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46388929) 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, 7731484 + ... + 7731489.

It is an arithmetic number, because the mean of its divisors is an integer number (15462974).

Almost surely, 2^46388919 is an apocalyptic number.

46388919 is a deficient number, since it is larger than the sum of its proper divisors (15462977).

46388919 is a wasteful number, since it uses less digits than its factorization.

46388919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462976.

The product of its digits is 373248, while the sum is 48.

The square root of 46388919 is about 6810.9411243968. The cubic root of 46388919 is about 359.3117483035.

The spelling of 46388919 in words is "forty-six million, three hundred eighty-eight thousand, nine hundred nineteen".