1490717798 has 8 divisors (see below), whose sum is σ = 2313182880. Its totient is φ = 719656840.

The previous prime is 1490717747. The next prime is 1490717819. The reversal of 1490717798 is 8977170941.

It is a happy number.

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

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, 12850958 + ... + 12851073.

It is an arithmetic number, because the mean of its divisors is an integer number (289147860).

Almost surely, 2^1490717798 is an apocalyptic number.

1490717798 is a deficient number, since it is larger than the sum of its proper divisors (822465082).

1490717798 is a wasteful number, since it uses less digits than its factorization.

1490717798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25702062.

The product of its (nonzero) digits is 889056, while the sum is 53.

The square root of 1490717798 is about 38609.8147884706. The cubic root of 1490717798 is about 1142.3481399379.

The spelling of 1490717798 in words is "one billion, four hundred ninety million, seven hundred seventeen thousand, seven hundred ninety-eight".