46399865 has 4 divisors (see below), whose sum is σ = 55679844. Its totient is φ = 37119888.

The previous prime is 46399841. The next prime is 46399867. The reversal of 46399865 is 56899364.

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 23541904 + 22857961 = 4852^2 + 4781^2 .

It is a cyclic number.

It is not a de Polignac number, because 46399865 - 2¹⁰ = 46398841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46399867) 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, 4639982 + ... + 4639991.

It is an arithmetic number, because the mean of its divisors is an integer number (13919961).

Almost surely, 2^46399865 is an apocalyptic number.

It is an amenable number.

46399865 is a deficient number, since it is larger than the sum of its proper divisors (9279979).

46399865 is an equidigital number, since it uses as much as digits as its factorization.

46399865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9279978.

The product of its digits is 1399680, while the sum is 50.

The square root of 46399865 is about 6811.7446370221. The cubic root of 46399865 is about 359.3400073301.

The spelling of 46399865 in words is "forty-six million, three hundred ninety-nine thousand, eight hundred sixty-five".