1797249628 has 12 divisors (see below), whose sum is σ = 3147222960. Its totient is φ = 898043072.

The previous prime is 1797249611. The next prime is 1797249667. The reversal of 1797249628 is 8269427971.

It is a super-2 number, since 2×1797249628² = 6460212450692276768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138448 + ... + 150871.

It is an arithmetic number, because the mean of its divisors is an integer number (262268580).

Almost surely, 2^1797249628 is an apocalyptic number.

It is an amenable number.

1797249628 is a deficient number, since it is larger than the sum of its proper divisors (1349973332).

1797249628 is a wasteful number, since it uses less digits than its factorization.

1797249628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290876 (or 290874 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 1797249628 is about 42393.9810350479. The cubic root of 1797249628 is about 1215.8205159476.

It can be divided in two parts, 17972 and 49628, that added together give a square (67600 = 260²).

The spelling of 1797249628 in words is "one billion, seven hundred ninety-seven million, two hundred forty-nine thousand, six hundred twenty-eight".