401716692 has 96 divisors (see below), whose sum is σ = 1126137600. Its totient is φ = 123106176.

The previous prime is 401716607. The next prime is 401716699. The reversal of 401716692 is 296617104.

401716692 is a `hidden beast` number, since 401 + 7 + 166 + 92 = 666.

It is a super-2 number, since 2×401716692² = 322752601262845728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401716699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503638 + ... + 504434.

It is an arithmetic number, because the mean of its divisors is an integer number (11730600).

Almost surely, 2^401716692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401716692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563068800).

401716692 is an abundant number, since it is smaller than the sum of its proper divisors (724420908).

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

401716692 is a wasteful number, since it uses less digits than its factorization.

401716692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 401716692 is about 20042.8713511812. The cubic root of 401716692 is about 737.8588533027.

The spelling of 401716692 in words is "four hundred one million, seven hundred sixteen thousand, six hundred ninety-two".