1913480 has 16 divisors (see below), whose sum is σ = 4305420. Its totient is φ = 765376.

The previous prime is 1913477. The next prime is 1913489. The reversal of 1913480 is 843191.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 47524 = 1366^2 + 218^2 .

It is a super-2 number, since 2×1913480² = 7322811420800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1913489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23879 + ... + 23958.

2^1913480 is an apocalyptic number.

1913480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1913480 is an abundant number, since it is smaller than the sum of its proper divisors (2391940).

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

1913480 is a wasteful number, since it uses less digits than its factorization.

1913480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47848 (or 47844 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1913480 is about 1383.2859429633. The cubic root of 1913480 is about 124.1484521025.

The spelling of 1913480 in words is "one million, nine hundred thirteen thousand, four hundred eighty".