1381464 has 48 divisors (see below), whose sum is σ = 4277520. Its totient is φ = 394560.

The previous prime is 1381459. The next prime is 1381483. The reversal of 1381464 is 4641831.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (89115).

2^1381464 is an apocalyptic number.

1381464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1381464 is an abundant number, since it is smaller than the sum of its proper divisors (2896056).

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

1381464 is a wasteful number, since it uses less digits than its factorization.

1381464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2753 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1381464 is about 1175.3569670530. The cubic root of 1381464 is about 111.3729843907.

The spelling of 1381464 in words is "one million, three hundred eighty-one thousand, four hundred sixty-four".