1623472 has 10 divisors (see below), whose sum is σ = 3145508. Its totient is φ = 811728.

The previous prime is 1623467. The next prime is 1623473. The reversal of 1623472 is 2743261.

It is a super-2 number, since 2×1623472² = 5271322669568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1623473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50718 + ... + 50749.

2^1623472 is an apocalyptic number.

It is an amenable number.

1623472 is a deficient number, since it is larger than the sum of its proper divisors (1522036).

1623472 is a wasteful number, since it uses less digits than its factorization.

1623472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101475 (or 101469 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 1623472 is about 1274.1554065341. The cubic root of 1623472 is about 117.5298731951.

The spelling of 1623472 in words is "one million, six hundred twenty-three thousand, four hundred seventy-two".