28949324 has 6 divisors (see below), whose sum is σ = 50661324. Its totient is φ = 14474660.

The previous prime is 28949309. The next prime is 28949329. The reversal of 28949324 is 42394982.

It is not an unprimeable number, because it can be changed into a prime (28949329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3618662 + ... + 3618669.

It is an arithmetic number, because the mean of its divisors is an integer number (8443554).

Almost surely, 2^28949324 is an apocalyptic number.

It is an amenable number.

28949324 is a deficient number, since it is larger than the sum of its proper divisors (21712000).

28949324 is a wasteful number, since it uses less digits than its factorization.

28949324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7237335 (or 7237333 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 28949324 is about 5380.4576013570. The cubic root of 28949324 is about 307.0526210698.

The spelling of 28949324 in words is "twenty-eight million, nine hundred forty-nine thousand, three hundred twenty-four".