46388081 has 8 divisors (see below), whose sum is σ = 48119400. Its totient is φ = 44665600.

The previous prime is 46388077. The next prime is 46388093. The reversal of 46388081 is 18088364.

It can be written as a sum of positive squares in 4 ways, for example, as 20784481 + 25603600 = 4559^2 + 5060^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 46388081 - 2² = 46388077 is a prime.

It is a super-2 number, since 2×46388081² = 4303708117725122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46388011) 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, 9635 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (6014925).

Almost surely, 2^46388081 is an apocalyptic number.

It is an amenable number.

46388081 is a deficient number, since it is larger than the sum of its proper divisors (1731319).

46388081 is a wasteful number, since it uses less digits than its factorization.

46388081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 46388081 is about 6810.8796054548. The cubic root of 46388081 is about 359.3095846757.

The spelling of 46388081 in words is "forty-six million, three hundred eighty-eight thousand, eighty-one".