28968802 has 4 divisors (see below), whose sum is σ = 43453206. Its totient is φ = 14484400.

The previous prime is 28968791. The next prime is 28968829. The reversal of 28968802 is 20886982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20331081 + 8637721 = 4509^2 + 2939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7242199 + ... + 7242202.

Almost surely, 2^28968802 is an apocalyptic number.

28968802 is a deficient number, since it is larger than the sum of its proper divisors (14484404).

28968802 is a wasteful number, since it uses less digits than its factorization.

28968802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484403.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 28968802 is about 5382.2673660828. The cubic root of 28968802 is about 307.1214704622.

It can be divided in two parts, 28968 and 802, that multiplied together give a triangular number (23232336 = T₆₈₁₆).

The spelling of 28968802 in words is "twenty-eight million, nine hundred sixty-eight thousand, eight hundred two".