1925940 has 24 divisors (see below), whose sum is σ = 5392800. Its totient is φ = 513568.

The previous prime is 1925933. The next prime is 1925971. The reversal of 1925940 is 495291.

It is a happy number.

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 = 1925898 and 1925907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15990 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (224700).

2^1925940 is an apocalyptic number.

1925940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1925940 is an abundant number, since it is smaller than the sum of its proper divisors (3466860).

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

1925940 is a wasteful number, since it uses less digits than its factorization.

1925940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32111 (or 32109 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1925940 is about 1387.7824036930. The cubic root of 1925940 is about 124.4173416270.

The spelling of 1925940 in words is "one million, nine hundred twenty-five thousand, nine hundred forty".