28417926 has 32 divisors (see below), whose sum is σ = 60698880. Its totient is φ = 8848224.

The previous prime is 28417913. The next prime is 28417927. The reversal of 28417926 is 62971482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28417927) 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, 3540 + ... + 8328.

It is an arithmetic number, because the mean of its divisors is an integer number (1896840).

Almost surely, 2^28417926 is an apocalyptic number.

28417926 is an abundant number, since it is smaller than the sum of its proper divisors (32280954).

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

28417926 is a wasteful number, since it uses less digits than its factorization.

28417926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860.

The product of its digits is 48384, while the sum is 39.

The square root of 28417926 is about 5330.8466494545. The cubic root of 28417926 is about 305.1622392242.

The spelling of 28417926 in words is "twenty-eight million, four hundred seventeen thousand, nine hundred twenty-six".