3914421 has 16 divisors (see below), whose sum is σ = 6079104. Its totient is φ = 2193984.

The previous prime is 3914413. The next prime is 3914429. The reversal of 3914421 is 1244193.

It is an interprime number because it is at equal distance from previous prime (3914413) and next prime (3914429).

It is not a de Polignac number, because 3914421 - 2³ = 3914413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3914391 and 3914400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (379944).

Almost surely, 2^3914421 is an apocalyptic number.

It is an amenable number.

3914421 is a deficient number, since it is larger than the sum of its proper divisors (2164683).

3914421 is a wasteful number, since it uses less digits than its factorization.

3914421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580.

The product of its digits is 864, while the sum is 24.

The square root of 3914421 is about 1978.4895754085. The cubic root of 3914421 is about 157.5998661177.

The spelling of 3914421 in words is "three million, nine hundred fourteen thousand, four hundred twenty-one".