401703669 has 6 divisors (see below), whose sum is σ = 580238646. Its totient is φ = 267802440.

The previous prime is 401703661. The next prime is 401703677. The reversal of 401703669 is 966307104.

It is an interprime number because it is at equal distance from previous prime (401703661) and next prime (401703677).

It can be written as a sum of positive squares in only one way, i.e., 276823044 + 124880625 = 16638^2 + 11175^2 .

It is not a de Polignac number, because 401703669 - 2³ = 401703661 is a prime.

It is a super-2 number, since 2×401703669² = 322731675376123122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401703661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22316862 + ... + 22316879.

It is an arithmetic number, because the mean of its divisors is an integer number (96706441).

Almost surely, 2^401703669 is an apocalyptic number.

It is an amenable number.

401703669 is a deficient number, since it is larger than the sum of its proper divisors (178534977).

401703669 is a wasteful number, since it uses less digits than its factorization.

401703669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44633747 (or 44633744 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 401703669 is about 20042.5464699474. The cubic root of 401703669 is about 737.8508798230.

The spelling of 401703669 in words is "four hundred one million, seven hundred three thousand, six hundred sixty-nine".