401924385 has 24 divisors (see below), whose sum is σ = 733337280. Its totient is φ = 203077152.

The previous prime is 401924359. The next prime is 401924407. The reversal of 401924385 is 583429104.

401924385 is a `hidden beast` number, since 401 + 9 + 243 + 8 + 5 = 666.

It is not a de Polignac number, because 401924385 - 2⁶ = 401924321 is a prime.

It is a super-2 number, since 2×401924385² = 323086422515256450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234189 + ... + 235898.

It is an arithmetic number, because the mean of its divisors is an integer number (30555720).

Almost surely, 2^401924385 is an apocalyptic number.

401924385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401924385 is a deficient number, since it is larger than the sum of its proper divisors (331412895).

401924385 is a wasteful number, since it uses less digits than its factorization.

401924385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470117 (or 470114 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 401924385 is about 20048.0519003718. The cubic root of 401924385 is about 737.9859924193.

The spelling of 401924385 in words is "four hundred one million, nine hundred twenty-four thousand, three hundred eighty-five".