2401421 has 8 divisors (see below), whose sum is σ = 2681184. Its totient is φ = 2131920.

The previous prime is 2401409. The next prime is 2401423. The reversal of 2401421 is 1241042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2401421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2401396 and 2401405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401423) 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, 2066 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (335148).

2^2401421 is an apocalyptic number.

It is an amenable number.

2401421 is a deficient number, since it is larger than the sum of its proper divisors (279763).

2401421 is a wasteful number, since it uses less digits than its factorization.

2401421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2401421 is about 1549.6518963948. The cubic root of 2401421 is about 133.9130088092.

Adding to 2401421 its reverse (1241042), we get a palindrome (3642463).

It can be divided in two parts, 240 and 1421, that added together give a palindrome (1661).

The spelling of 2401421 in words is "two million, four hundred one thousand, four hundred twenty-one".