1915960 has 32 divisors (see below), whose sum is σ = 4539600. Its totient is φ = 725760.

The previous prime is 1915957. The next prime is 1915961. The reversal of 1915960 is 695191.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1915961) by changing a digit.

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, 501 + ... + 2020.

2^1915960 is an apocalyptic number.

1915960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1915960 is an abundant number, since it is smaller than the sum of its proper divisors (2623640).

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

1915960 is a wasteful number, since it uses less digits than its factorization.

1915960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1915960 is about 1384.1820689490. The cubic root of 1915960 is about 124.2020638887.

The spelling of 1915960 in words is "one million, nine hundred fifteen thousand, nine hundred sixty".