1915914 has 96 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 443520.

The previous prime is 1915909. The next prime is 1915919. The reversal of 1915914 is 4195191.

It is an interprime number because it is at equal distance from previous prime (1915909) and next prime (1915919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1915919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66052 + ... + 66080.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2^1915914 is an apocalyptic number.

1915914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1915914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681280).

1915914 is an abundant number, since it is smaller than the sum of its proper divisors (3446646).

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

1915914 is a wasteful number, since it uses less digits than its factorization.

1915914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 65 counting only the distinct ones).

The product of its digits is 1620, while the sum is 30.

The square root of 1915914 is about 1384.1654525381. The cubic root of 1915914 is about 124.2010698978.

It can be divided in two parts, 191 and 5914, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 1915914 in words is "one million, nine hundred fifteen thousand, nine hundred fourteen".