401695546 has 16 divisors (see below), whose sum is σ = 688878144. Its totient is φ = 172090944.

The previous prime is 401695543. The next prime is 401695561. The reversal of 401695546 is 645596104.

It is a happy number.

It is a super-2 number, since 2×401695546² = 322718623352476232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401695499 and 401695508.

It is not an unprimeable number, because it can be changed into a prime (401695543) 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 7 ways as a sum of consecutive naturals, for example, 70521 + ... + 76003.

It is an arithmetic number, because the mean of its divisors is an integer number (43054884).

Almost surely, 2^401695546 is an apocalyptic number.

401695546 is a deficient number, since it is larger than the sum of its proper divisors (287182598).

401695546 is a wasteful number, since it uses less digits than its factorization.

401695546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 401695546 is about 20042.3438250121. The cubic root of 401695546 is about 737.8459063367.

The spelling of 401695546 in words is "four hundred one million, six hundred ninety-five thousand, five hundred forty-six".