401201606 has 24 divisors (see below), whose sum is σ = 685964520. Its totient is φ = 175421376.

The previous prime is 401201599. The next prime is 401201609. The reversal of 401201606 is 606102104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401201609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24815 + ... + 37658.

It is an arithmetic number, because the mean of its divisors is an integer number (28581855).

Almost surely, 2^401201606 is an apocalyptic number.

401201606 is a deficient number, since it is larger than the sum of its proper divisors (284762914).

401201606 is a wasteful number, since it uses less digits than its factorization.

401201606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62520 (or 62507 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 401201606 is about 20030.0176235569. The cubic root of 401201606 is about 737.5433545709.

The spelling of 401201606 in words is "four hundred one million, two hundred one thousand, six hundred six".