401097834 has 72 divisors (see below), whose sum is σ = 917257068. Its totient is φ = 126593280.

The previous prime is 401097821. The next prime is 401097841. The reversal of 401097834 is 438790104.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 300155625 + 100942209 = 17325^2 + 10047^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1010124 + ... + 1010520.

Almost surely, 2^401097834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401097834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458628534).

401097834 is an abundant number, since it is smaller than the sum of its proper divisors (516159234).

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

401097834 is a wasteful number, since it uses less digits than its factorization.

401097834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 401097834 is about 20027.4270439315. The cubic root of 401097834 is about 737.4797598199.

The spelling of 401097834 in words is "four hundred one million, ninety-seven thousand, eight hundred thirty-four".