1464890 has 32 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 472320.

The previous prime is 1464863. The next prime is 1464899. The reversal of 1464890 is 984641.

It is not an unprimeable number, because it can be changed into a prime (1464899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575 + ... + 1805.

It is an arithmetic number, because the mean of its divisors is an integer number (99792).

2^1464890 is an apocalyptic number.

1464890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1464890 is an abundant number, since it is smaller than the sum of its proper divisors (1728454).

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

1464890 is a wasteful number, since it uses less digits than its factorization.

1464890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1464890 is about 1210.3264022568. The cubic root of 1464890 is about 113.5712323010.

Subtracting from 1464890 its reverse (984641), we obtain a square (480249 = 693²).

The spelling of 1464890 in words is "one million, four hundred sixty-four thousand, eight hundred ninety".