1826940 has 24 divisors (see below), whose sum is σ = 5115600. Its totient is φ = 487168.

The previous prime is 1826933. The next prime is 1826947. The reversal of 1826940 is 496281.

It is an interprime number because it is at equal distance from previous prime (1826933) and next prime (1826947).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1826898 and 1826907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826947) 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, 15165 + ... + 15284.

It is an arithmetic number, because the mean of its divisors is an integer number (213150).

2^1826940 is an apocalyptic number.

1826940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1826940 is an abundant number, since it is smaller than the sum of its proper divisors (3288660).

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

1826940 is a wasteful number, since it uses less digits than its factorization.

1826940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30461 (or 30459 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1826940 is about 1351.6434441079. The cubic root of 1826940 is about 122.2479058360.

The spelling of 1826940 in words is "one million, eight hundred twenty-six thousand, nine hundred forty".