401770338 has 16 divisors (see below), whose sum is σ = 804042720. Its totient is φ = 133839776.

The previous prime is 401770337. The next prime is 401770361. The reversal of 401770338 is 833077104.

It is a super-2 number, since 2×401770338² = 322838808993268488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401770299 and 401770308.

It is not an unprimeable number, because it can be changed into a prime (401770337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10083 + ... + 30086.

It is an arithmetic number, because the mean of its divisors is an integer number (50252670).

Almost surely, 2^401770338 is an apocalyptic number.

401770338 is an abundant number, since it is smaller than the sum of its proper divisors (402272382).

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

401770338 is a wasteful number, since it uses less digits than its factorization.

401770338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41841.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 401770338 is about 20044.2095878086. The cubic root of 401770338 is about 737.8916968589.

The spelling of 401770338 in words is "four hundred one million, seven hundred seventy thousand, three hundred thirty-eight".