42401983 has 8 divisors (see below), whose sum is σ = 45724448. Its totient is φ = 39088224.

The previous prime is 42401971. The next prime is 42401987. The reversal of 42401983 is 38910424.

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 42401983 - 2⁵ = 42401951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401987) 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, 10885 + ... + 14257.

It is an arithmetic number, because the mean of its divisors is an integer number (5715556).

Almost surely, 2^42401983 is an apocalyptic number.

42401983 is a deficient number, since it is larger than the sum of its proper divisors (3322465).

42401983 is a wasteful number, since it uses less digits than its factorization.

42401983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 42401983 is about 6511.6805050617. The cubic root of 42401983 is about 348.7081163115.

The spelling of 42401983 in words is "forty-two million, four hundred one thousand, nine hundred eighty-three".