46400401 has 4 divisors (see below), whose sum is σ = 46414192. Its totient is φ = 46386612.

The previous prime is 46400383. The next prime is 46400411. The reversal of 46400401 is 10400464.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 46400401 - 2⁹ = 46399889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46400411) 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, 1846 + ... + 9808.

It is an arithmetic number, because the mean of its divisors is an integer number (11603548).

Almost surely, 2^46400401 is an apocalyptic number.

It is an amenable number.

46400401 is a deficient number, since it is larger than the sum of its proper divisors (13791).

46400401 is an equidigital number, since it uses as much as digits as its factorization.

46400401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 46400401 is about 6811.7839807205. The cubic root of 46400401 is about 359.3413909943.

Adding to 46400401 its reverse (10400464), we get a palindrome (56800865).

The spelling of 46400401 in words is "forty-six million, four hundred thousand, four hundred one".