17942401 has 8 divisors (see below), whose sum is σ = 18247680. Its totient is φ = 17639232.

The previous prime is 17942389. The next prime is 17942413. The reversal of 17942401 is 10424971.

It is an interprime number because it is at equal distance from previous prime (17942389) and next prime (17942413).

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 17942401 - 2¹⁹ = 17418113 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 17942401.

It is not an unprimeable number, because it can be changed into a prime (17942101) 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, 29961 + ... + 30553.

It is an arithmetic number, because the mean of its divisors is an integer number (2280960).

Almost surely, 2^17942401 is an apocalyptic number.

It is an amenable number.

17942401 is a deficient number, since it is larger than the sum of its proper divisors (305279).

17942401 is an equidigital number, since it uses as much as digits as its factorization.

17942401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 17942401 is about 4235.8471407736. The cubic root of 17942401 is about 261.7942998224.

The spelling of 17942401 in words is "seventeen million, nine hundred forty-two thousand, four hundred one".