28020962 has 16 divisors (see below), whose sum is σ = 43567872. Its totient is φ = 13502160.

The previous prime is 28020961. The next prime is 28020973. The reversal of 28020962 is 26902082.

It is a happy number.

It is a super-2 number, since 2×28020962² = 1570348622810888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28020961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16748 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (2722992).

Almost surely, 2^28020962 is an apocalyptic number.

28020962 is a deficient number, since it is larger than the sum of its proper divisors (15546910).

28020962 is a wasteful number, since it uses less digits than its factorization.

28020962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

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

The square root of 28020962 is about 5293.4829743752. The cubic root of 28020962 is about 303.7346556402.

It can be divided in two parts, 28020 and 962, that added together give a palindrome (28982).

The spelling of 28020962 in words is "twenty-eight million, twenty thousand, nine hundred sixty-two".