1926240 has 48 divisors (see below), whose sum is σ = 6069168. Its totient is φ = 513536.

The previous prime is 1926217. The next prime is 1926241. The reversal of 1926240 is 426291.

1926240 = 141² + 142² + ... + 204².

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1926240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1926241) 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, 1527 + ... + 2486.

It is an arithmetic number, because the mean of its divisors is an integer number (126441).

2^1926240 is an apocalyptic number.

1926240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1926240 is an abundant number, since it is smaller than the sum of its proper divisors (4142928).

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

1926240 is a wasteful number, since it uses less digits than its factorization.

1926240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031 (or 4023 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1926240 is about 1387.8904855932. The cubic root of 1926240 is about 124.4238013756.

The spelling of 1926240 in words is "one million, nine hundred twenty-six thousand, two hundred forty".