1489629790 has 24 divisors (see below), whose sum is σ = 2947253400. Its totient is φ = 541683120.

The previous prime is 1489629769. The next prime is 1489629793. The reversal of 1489629790 is 979269841.

It is a super-2 number, since 2×1489629790² = 4437993822510888200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489629793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 614340 + ... + 616759.

It is an arithmetic number, because the mean of its divisors is an integer number (122802225).

Almost surely, 2^1489629790 is an apocalyptic number.

1489629790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1489629790 is a deficient number, since it is larger than the sum of its proper divisors (1457623610).

1489629790 is a wasteful number, since it uses less digits than its factorization.

1489629790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231128 (or 1231117 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 1489629790 is about 38595.7224313783. The cubic root of 1489629790 is about 1142.0701560891.

The spelling of 1489629790 in words is "one billion, four hundred eighty-nine million, six hundred twenty-nine thousand, seven hundred ninety".