2381401 has 6 divisors (see below), whose sum is σ = 2617706. Its totient is φ = 2164800.

The previous prime is 2381387. The next prime is 2381413. The reversal of 2381401 is 1041832.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 9801 = 1540^2 + 99^2 .

It is not a de Polignac number, because 2381401 - 2⁷ = 2381273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2381101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9720 + ... + 9961.

2^2381401 is an apocalyptic number.

It is an amenable number.

2381401 is a deficient number, since it is larger than the sum of its proper divisors (236305).

2381401 is a wasteful number, since it uses less digits than its factorization.

2381401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19703 (or 19692 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2381401 is about 1543.1788619599. The cubic root of 2381401 is about 133.5398376435.

The spelling of 2381401 in words is "two million, three hundred eighty-one thousand, four hundred one".