401493336 has 32 divisors (see below), whose sum is σ = 1047375360. Its totient is φ = 128012192.

The previous prime is 401493319. The next prime is 401493341. The reversal of 401493336 is 633394104.

It is a super-2 number, since 2×401493336² = 322393797704817792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401493297 and 401493306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363120 + ... + 364223.

It is an arithmetic number, because the mean of its divisors is an integer number (32730480).

Almost surely, 2^401493336 is an apocalyptic number.

401493336 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

401493336 is an abundant number, since it is smaller than the sum of its proper divisors (645882024).

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

401493336 is a wasteful number, since it uses less digits than its factorization.

401493336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727375 (or 727371 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 401493336 is about 20037.2986203230. The cubic root of 401493336 is about 737.7220771793.

The spelling of 401493336 in words is "four hundred one million, four hundred ninety-three thousand, three hundred thirty-six".