1481340 has 48 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 338496.

The previous prime is 1481339. The next prime is 1481353. The reversal of 1481340 is 431841.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (98784).

2^1481340 is an apocalyptic number.

1481340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1481340 is an abundant number, since it is smaller than the sum of its proper divisors (3260292).

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

1481340 is a wasteful number, since it uses less digits than its factorization.

1481340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1481340 is about 1217.1031180635. The cubic root of 1481340 is about 113.9947673806.

The spelling of 1481340 in words is "one million, four hundred eighty-one thousand, three hundred forty".