1628464 has 20 divisors (see below), whose sum is σ = 3341304. Its totient is φ = 766208.

The previous prime is 1628441. The next prime is 1628467. The reversal of 1628464 is 4648261.

It is not an unprimeable number, because it can be changed into a prime (1628467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722 + ... + 3265.

2^1628464 is an apocalyptic number.

It is an amenable number.

1628464 is an abundant number, since it is smaller than the sum of its proper divisors (1712840).

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

1628464 is a wasteful number, since it uses less digits than its factorization.

1628464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012 (or 6006 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 1628464 is about 1276.1128476745. The cubic root of 1628464 is about 117.6502137977.

The spelling of 1628464 in words is "one million, six hundred twenty-eight thousand, four hundred sixty-four".