401463605 has 16 divisors (see below), whose sum is σ = 491649264. Its totient is φ = 314595840.

The previous prime is 401463589. The next prime is 401463683. The reversal of 401463605 is 506364104.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3301489 + 398162116 = 1817^2 + 19954^2 .

It is not a de Polignac number, because 401463605 - 2⁴ = 401463589 is a prime.

It is a super-2 number, since 2×401463605² = 322346052279192050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290015 + ... + 291395.

It is an arithmetic number, because the mean of its divisors is an integer number (30728079).

Almost surely, 2^401463605 is an apocalyptic number.

It is an amenable number.

401463605 is a deficient number, since it is larger than the sum of its proper divisors (90185659).

401463605 is a wasteful number, since it uses less digits than its factorization.

401463605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 401463605 is about 20036.5567151644. The cubic root of 401463605 is about 737.7038670335.

The spelling of 401463605 in words is "four hundred one million, four hundred sixty-three thousand, six hundred five".