1913828 has 12 divisors (see below), whose sum is σ = 3827712. Its totient is φ = 820200.

The previous prime is 1913827. The next prime is 1913831. The reversal of 1913828 is 8283191.

1913828 is an admirable number.

It is a super-2 number, since 2×1913828² = 7325475227168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1913794 and 1913803.

It is not an unprimeable number, because it can be changed into a prime (1913827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34148 + ... + 34203.

It is an arithmetic number, because the mean of its divisors is an integer number (318976).

2^1913828 is an apocalyptic number.

It is an amenable number.

1913828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1913828 is a wasteful number, since it uses less digits than its factorization.

1913828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68362 (or 68360 counting only the distinct ones).

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

The square root of 1913828 is about 1383.4117246865. The cubic root of 1913828 is about 124.1559778396.

The spelling of 1913828 in words is "one million, nine hundred thirteen thousand, eight hundred twenty-eight".