1409928 has 32 divisors (see below), whose sum is σ = 3796800. Its totient is φ = 433728.

The previous prime is 1409917. The next prime is 1409957. The reversal of 1409928 is 8299041.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (118650).

2^1409928 is an apocalyptic number.

It is an amenable number.

1409928 is an abundant number, since it is smaller than the sum of its proper divisors (2386872).

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

1409928 is a wasteful number, since it uses less digits than its factorization.

1409928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1409928 is about 1187.4038908476. The cubic root of 1409928 is about 112.1327083386.

The spelling of 1409928 in words is "one million, four hundred nine thousand, nine hundred twenty-eight".