1464391 has 2 divisors, whose sum is σ = 1464392. Its totient is φ = 1464390.

The previous prime is 1464383. The next prime is 1464401. The reversal of 1464391 is 1934641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1464391 - 2³ = 1464383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1464371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732195 + 732196.

It is an arithmetic number, because the mean of its divisors is an integer number (732196).

2^1464391 is an apocalyptic number.

1464391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1464391 is an equidigital number, since it uses as much as digits as its factorization.

1464391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 1464391 is about 1210.1202419595. The cubic root of 1464391 is about 113.5583352049.

The spelling of 1464391 in words is "one million, four hundred sixty-four thousand, three hundred ninety-one".