28462973 has 12 divisors (see below), whose sum is σ = 36120672. Its totient is φ = 22178520.

The previous prime is 28462939. The next prime is 28462999. The reversal of 28462973 is 37926482.

It is a happy number.

It is not a de Polignac number, because 28462973 - 2¹² = 28458877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28462973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28462073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25865 + ... + 26942.

It is an arithmetic number, because the mean of its divisors is an integer number (3010056).

Almost surely, 2^28462973 is an apocalyptic number.

It is an amenable number.

28462973 is a deficient number, since it is larger than the sum of its proper divisors (7657699).

28462973 is a wasteful number, since it uses less digits than its factorization.

28462973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52832 (or 52825 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 28462973 is about 5335.0701026322. The cubic root of 28462973 is about 305.3233979031.

The spelling of 28462973 in words is "twenty-eight million, four hundred sixty-two thousand, nine hundred seventy-three".