8421932 has 6 divisors (see below), whose sum is σ = 14738388. Its totient is φ = 4210964.

The previous prime is 8421929. The next prime is 8421961. The reversal of 8421932 is 2391248.

It is a super-2 number, since 2×8421932² = 141857877225248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8421895 and 8421904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052738 + ... + 1052745.

It is an arithmetic number, because the mean of its divisors is an integer number (2456398).

Almost surely, 2^8421932 is an apocalyptic number.

It is an amenable number.

8421932 is a deficient number, since it is larger than the sum of its proper divisors (6316456).

8421932 is a wasteful number, since it uses less digits than its factorization.

8421932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105487 (or 2105485 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 8421932 is about 2902.0565121996. The cubic root of 8421932 is about 203.4560351107.

The spelling of 8421932 in words is "eight million, four hundred twenty-one thousand, nine hundred thirty-two".