28418396 has 6 divisors (see below), whose sum is σ = 49732200. Its totient is φ = 14209196.

The previous prime is 28418387. The next prime is 28418419. The reversal of 28418396 is 69381482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3552296 + ... + 3552303.

It is an arithmetic number, because the mean of its divisors is an integer number (8288700).

Almost surely, 2^28418396 is an apocalyptic number.

It is an amenable number.

28418396 is a deficient number, since it is larger than the sum of its proper divisors (21313804).

28418396 is a wasteful number, since it uses less digits than its factorization.

28418396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104603 (or 7104601 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 28418396 is about 5330.8907323261. The cubic root of 28418396 is about 305.1639215598.

The spelling of 28418396 in words is "twenty-eight million, four hundred eighteen thousand, three hundred ninety-six".