1829972 has 12 divisors (see below), whose sum is σ = 3341856. Its totient is φ = 875160.

The previous prime is 1829963. The next prime is 1830011. The reversal of 1829972 is 2799281.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9854 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (278488).

2^1829972 is an apocalyptic number.

It is an amenable number.

1829972 is a deficient number, since it is larger than the sum of its proper divisors (1511884).

1829972 is a wasteful number, since it uses less digits than its factorization.

1829972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19918 (or 19916 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1829972 is about 1352.7645767095. The cubic root of 1829972 is about 122.3154962316.

The spelling of 1829972 in words is "one million, eight hundred twenty-nine thousand, nine hundred seventy-two".