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29828 = 227457

29828 has 6 divisors (see below), whose sum is σ = 52206. Its totient is φ = 14912.

The previous prime is 29819. The next prime is 29833. The reversal of 29828 is 82892.

It can be written as a sum of positive squares in only one way, i.e., 23104 + 6724 = 152^2 + 82^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29828.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3725 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (8701).

229828 is an apocalyptic number.

It is an amenable number.

29828 is a deficient number, since it is larger than the sum of its proper divisors (22378).

29828 is a wasteful number, since it uses less digits than its factorization.

29828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7461 (or 7459 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 29828 is about 172.7078457975. The cubic root of 29828 is about 31.0128285441.

The spelling of 29828 in words is "twenty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7457 14914 29828