1490791798 has 8 divisors (see below), whose sum is σ = 2308322880. Its totient is φ = 721350840.

The previous prime is 1490791793. The next prime is 1490791807. The reversal of 1490791798 is 8971970941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490791793) by changing a digit.

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, 12022453 + ... + 12022576.

It is an arithmetic number, because the mean of its divisors is an integer number (288540360).

Almost surely, 2^1490791798 is an apocalyptic number.

1490791798 is a deficient number, since it is larger than the sum of its proper divisors (817531082).

1490791798 is a wasteful number, since it uses less digits than its factorization.

1490791798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24045062.

The product of its (nonzero) digits is 1143072, while the sum is 55.

The square root of 1490791798 is about 38610.7730821334. The cubic root of 1490791798 is about 1142.3670418753.

The spelling of 1490791798 in words is "one billion, four hundred ninety million, seven hundred ninety-one thousand, seven hundred ninety-eight".