401929 has 8 divisors (see below), whose sum is σ = 446400. Its totient is φ = 358800.

The previous prime is 401917. The next prime is 401939. The reversal of 401929 is 929104.

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 401929 - 2⁹ = 401417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401909) 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, 372 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2⁴⁰¹⁹²⁹ is an apocalyptic number.

It is an amenable number.

401929 is a deficient number, since it is larger than the sum of its proper divisors (44471).

401929 is a wasteful number, since it uses less digits than its factorization.

401929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 401929 is about 633.9787062670. The cubic root of 401929 is about 73.7988816991.

The spelling of 401929 in words is "four hundred one thousand, nine hundred twenty-nine".