28694952 has 128 divisors (see below), whose sum is σ = 93744000. Its totient is φ = 8017920.

The previous prime is 28694947. The next prime is 28694977. The reversal of 28694952 is 25949682.

It is a junction number, because it is equal to n+sod(n) for n = 28694898 and 28694907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30424 + ... + 31352.

It is an arithmetic number, because the mean of its divisors is an integer number (732375).

Almost surely, 2^28694952 is an apocalyptic number.

28694952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28694952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46872000).

28694952 is an abundant number, since it is smaller than the sum of its proper divisors (65049048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28694952 is a wasteful number, since it uses less digits than its factorization.

28694952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 958 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 28694952 is about 5356.7669353818. The cubic root of 28694952 is about 306.1506370974.

It can be divided in two parts, 28694 and 952, that added together give a triangular number (29646 = T₂₄₃).

The spelling of 28694952 in words is "twenty-eight million, six hundred ninety-four thousand, nine hundred fifty-two".