1461340 has 24 divisors (see below), whose sum is σ = 3169152. Its totient is φ = 565440.

The previous prime is 1461329. The next prime is 1461349. The reversal of 1461340 is 431641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (132048).

2^1461340 is an apocalyptic number.

1461340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461340 is an abundant number, since it is smaller than the sum of its proper divisors (1707812).

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

1461340 is a wasteful number, since it uses less digits than its factorization.

1461340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1461340 is about 1208.8589661329. The cubic root of 1461340 is about 113.4794156231.

Adding to 1461340 its reverse (431641), we get a palindrome (1892981).

The spelling of 1461340 in words is "one million, four hundred sixty-one thousand, three hundred forty".