401171406 has 16 divisors (see below), whose sum is σ = 849539664. Its totient is φ = 125857664.

The previous prime is 401171383. The next prime is 401171417. The reversal of 401171406 is 604171104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966425 + ... + 1966628.

It is an arithmetic number, because the mean of its divisors is an integer number (53096229).

Almost surely, 2^401171406 is an apocalyptic number.

401171406 is an abundant number, since it is smaller than the sum of its proper divisors (448368258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401171406 is a wasteful number, since it uses less digits than its factorization.

401171406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933075.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 401171406 is about 20029.2637408368. The cubic root of 401171406 is about 737.5248481909.

The spelling of 401171406 in words is "four hundred one million, one hundred seventy-one thousand, four hundred six".