21346232 has 16 divisors (see below), whose sum is σ = 40955640. Its totient is φ = 10424736.

The previous prime is 21346223. The next prime is 21346261. The reversal of 21346232 is 23264312.

It is a junction number, because it is equal to n+sod(n) for n = 21346198 and 21346207.

It is a congruent number.

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, 30683 + ... + 31370.

Almost surely, 2^21346232 is an apocalyptic number.

It is an amenable number.

21346232 is a deficient number, since it is larger than the sum of its proper divisors (19609408).

21346232 is a wasteful number, since it uses less digits than its factorization.

21346232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62102 (or 62098 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 21346232 is about 4620.1982641441. The cubic root of 21346232 is about 277.4003949533.

The spelling of 21346232 in words is "twenty-one million, three hundred forty-six thousand, two hundred thirty-two".