614281421 has 8 divisors (see below), whose sum is σ = 670852224. Its totient is φ = 559041840.

The previous prime is 614281397. The next prime is 614281427. The reversal of 614281421 is 124182416.

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 614281421 - 2⁶ = 614281357 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 (614281427) 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, 331841 + ... + 333686.

It is an arithmetic number, because the mean of its divisors is an integer number (83856528).

Almost surely, 2^614281421 is an apocalyptic number.

It is an amenable number.

614281421 is a deficient number, since it is larger than the sum of its proper divisors (56570803).

614281421 is a wasteful number, since it uses less digits than its factorization.

614281421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665611.

The product of its digits is 3072, while the sum is 29.

The square root of 614281421 is about 24784.7013498247. The cubic root of 614281421 is about 850.0721604251.

The spelling of 614281421 in words is "six hundred fourteen million, two hundred eighty-one thousand, four hundred twenty-one".