28694946 has 32 divisors (see below), whose sum is σ = 69448320. Its totient is φ = 7716096.

The previous prime is 28694927. The next prime is 28694947. The reversal of 28694946 is 64949682.

It is a junction number, because it is equal to n+sod(n) for n = 28694895 and 28694904.

It is not an unprimeable number, because it can be changed into a prime (28694947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19381 + ... + 20808.

It is an arithmetic number, because the mean of its divisors is an integer number (2170260).

Almost surely, 2^28694946 is an apocalyptic number.

28694946 is an abundant number, since it is smaller than the sum of its proper divisors (40753374).

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

28694946 is a wasteful number, since it uses less digits than its factorization.

28694946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40218.

The product of its digits is 746496, while the sum is 48.

The square root of 28694946 is about 5356.7663753425. The cubic root of 28694946 is about 306.1506157591.

The spelling of 28694946 in words is "twenty-eight million, six hundred ninety-four thousand, nine hundred forty-six".