614000921 has 4 divisors (see below), whose sum is σ = 616001232. Its totient is φ = 612000612.

The previous prime is 614000899. The next prime is 614000923. The reversal of 614000921 is 129000416.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-614000921 is a prime.

It is a Duffinian number.

614000921 is a modest number, since divided by 921 gives 614 as remainder.

It is not an unprimeable number, because it can be changed into a prime (614000923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999695 + ... + 1000308.

It is an arithmetic number, because the mean of its divisors is an integer number (154000308).

Almost surely, 2^614000921 is an apocalyptic number.

It is an amenable number.

614000921 is a deficient number, since it is larger than the sum of its proper divisors (2000311).

614000921 is a wasteful number, since it uses less digits than its factorization.

614000921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000310.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 614000921 is about 24779.0419709883. The cubic root of 614000921 is about 849.9427509309.

The spelling of 614000921 in words is "six hundred fourteen million, nine hundred twenty-one", and thus it is an aban number.