401786482 has 8 divisors (see below), whose sum is σ = 603122796. Its totient is φ = 200745552.

The previous prime is 401786477. The next prime is 401786491. The reversal of 401786482 is 284687104.

It can be written as a sum of positive squares in 2 ways, for example, as 257570401 + 144216081 = 16049^2 + 12009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401786482² = 322864754235872648, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 70413 + ... + 75904.

Almost surely, 2^401786482 is an apocalyptic number.

401786482 is a deficient number, since it is larger than the sum of its proper divisors (201336314).

401786482 is a wasteful number, since it uses less digits than its factorization.

401786482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147692.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 401786482 is about 20044.6122935815. The cubic root of 401786482 is about 737.9015800872.

The spelling of 401786482 in words is "four hundred one million, seven hundred eighty-six thousand, four hundred eighty-two".