1468240 has 20 divisors (see below), whose sum is σ = 3413844. Its totient is φ = 587264.

The previous prime is 1468219. The next prime is 1468261. The reversal of 1468240 is 428641.

It is an interprime number because it is at equal distance from previous prime (1468219) and next prime (1468261).

It can be written as a sum of positive squares in 2 ways, for example, as 222784 + 1245456 = 472^2 + 1116^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9097 + ... + 9256.

2^1468240 is an apocalyptic number.

1468240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1468240 is an abundant number, since it is smaller than the sum of its proper divisors (1945604).

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

1468240 is a wasteful number, since it uses less digits than its factorization.

1468240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18366 (or 18360 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1468240 is about 1211.7095361513. The cubic root of 1468240 is about 113.6577402694.

The spelling of 1468240 in words is "one million, four hundred sixty-eight thousand, two hundred forty".