1628452 has 24 divisors (see below), whose sum is σ = 3429440. Its totient is φ = 660960.

The previous prime is 1628441. The next prime is 1628467. The reversal of 1628452 is 2548261.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1628452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999 + ... + 2062.

2^1628452 is an apocalyptic number.

It is an amenable number.

1628452 is an abundant number, since it is smaller than the sum of its proper divisors (1800988).

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

1628452 is a wasteful number, since it uses less digits than its factorization.

1628452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091 (or 3089 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1628452 is about 1276.1081458873. The cubic root of 1628452 is about 117.6499248125.

It can be divided in two parts, 1628 and 452, that added together give a triangular number (2080 = T₆₄).

The spelling of 1628452 in words is "one million, six hundred twenty-eight thousand, four hundred fifty-two".