932421421 has 8 divisors (see below), whose sum is σ = 958427640. Its totient is φ = 906726912.

The previous prime is 932421383. The next prime is 932421439. The reversal of 932421421 is 124124239.

It can be written as a sum of positive squares in 4 ways, for example, as 183304521 + 749116900 = 13539^2 + 27370^2 .

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 932421421 - 2⁷ = 932421293 is a prime.

It is a super-3 number, since 3×932421421³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 932421421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (932421821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71856 + ... + 83833.

It is an arithmetic number, because the mean of its divisors is an integer number (119803455).

Almost surely, 2^932421421 is an apocalyptic number.

It is an amenable number.

932421421 is a deficient number, since it is larger than the sum of its proper divisors (26006219).

932421421 is a wasteful number, since it uses less digits than its factorization.

932421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155855.

The product of its digits is 3456, while the sum is 28.

The square root of 932421421 is about 30535.5763168145. The cubic root of 932421421 is about 976.9464236941.

The spelling of 932421421 in words is "nine hundred thirty-two million, four hundred twenty-one thousand, four hundred twenty-one".