401958047 has 8 divisors (see below), whose sum is σ = 437106096. Its totient is φ = 368088192.

The previous prime is 401958031. The next prime is 401958049. The reversal of 401958047 is 740859104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401958047 - 2⁴ = 401958031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401958047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401958049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318893 + ... + 320150.

It is an arithmetic number, because the mean of its divisors is an integer number (54638262).

Almost surely, 2^401958047 is an apocalyptic number.

401958047 is a deficient number, since it is larger than the sum of its proper divisors (35148049).

401958047 is a wasteful number, since it uses less digits than its factorization.

401958047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639097.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 401958047 is about 20048.8914157367. The cubic root of 401958047 is about 738.0065944628.

The spelling of 401958047 in words is "four hundred one million, nine hundred fifty-eight thousand, forty-seven".