28774626 has 16 divisors (see below), whose sum is σ = 60578400. Its totient is φ = 9086688.

The previous prime is 28774621. The next prime is 28774631. The reversal of 28774626 is 62647782.

It is an interprime number because it is at equal distance from previous prime (28774621) and next prime (28774631).

It is not an unprimeable number, because it can be changed into a prime (28774621) 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, 126091 + ... + 126318.

It is an arithmetic number, because the mean of its divisors is an integer number (3786150).

Almost surely, 2^28774626 is an apocalyptic number.

28774626 is an abundant number, since it is smaller than the sum of its proper divisors (31803774).

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

28774626 is a wasteful number, since it uses less digits than its factorization.

28774626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252433.

The product of its digits is 225792, while the sum is 42.

The square root of 28774626 is about 5364.1985421869. The cubic root of 28774626 is about 306.4337264354.

It can be divided in two parts, 2877 and 4626, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 28774626 in words is "twenty-eight million, seven hundred seventy-four thousand, six hundred twenty-six".