11398028 has 6 divisors (see below), whose sum is σ = 19946556. Its totient is φ = 5699012.

The previous prime is 11398027. The next prime is 11398031. The reversal of 11398028 is 82089311.

It is a junction number, because it is equal to n+sod(n) for n = 11397985 and 11398003.

It is not an unprimeable number, because it can be changed into a prime (11398027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1424750 + ... + 1424757.

It is an arithmetic number, because the mean of its divisors is an integer number (3324426).

Almost surely, 2^11398028 is an apocalyptic number.

It is an amenable number.

11398028 is a deficient number, since it is larger than the sum of its proper divisors (8548528).

11398028 is a wasteful number, since it uses less digits than its factorization.

11398028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849511 (or 2849509 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 11398028 is about 3376.0965626001. The cubic root of 11398028 is about 225.0487334768.

The spelling of 11398028 in words is "eleven million, three hundred ninety-eight thousand, twenty-eight".