28412332 has 12 divisors (see below), whose sum is σ = 53546416. Its totient is φ = 13113360.

The previous prime is 28412327. The next prime is 28412341. The reversal of 28412332 is 23321482.

It is a junction number, because it is equal to n+sod(n) for n = 28412297 and 28412306.

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, 273144 + ... + 273247.

Almost surely, 2^28412332 is an apocalyptic number.

It is an amenable number.

28412332 is a deficient number, since it is larger than the sum of its proper divisors (25134084).

28412332 is a wasteful number, since it uses less digits than its factorization.

28412332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546408 (or 546406 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 28412332 is about 5330.3219414966. The cubic root of 28412332 is about 305.1422144273.

The spelling of 28412332 in words is "twenty-eight million, four hundred twelve thousand, three hundred thirty-two".