1421832 has 16 divisors (see below), whose sum is σ = 3554640. Its totient is φ = 473936.

The previous prime is 1421813. The next prime is 1421857. The reversal of 1421832 is 2381241.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1421799 and 1421808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29598 + ... + 29645.

It is an arithmetic number, because the mean of its divisors is an integer number (222165).

2^1421832 is an apocalyptic number.

1421832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421832 is an abundant number, since it is smaller than the sum of its proper divisors (2132808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421832 is a wasteful number, since it uses less digits than its factorization.

1421832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59252 (or 59248 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1421832 is about 1192.4059711357. The cubic root of 1421832 is about 112.4474025733.

The spelling of 1421832 in words is "one million, four hundred twenty-one thousand, eight hundred thirty-two".