1490694193 has 8 divisors (see below), whose sum is σ = 1574250048. Its totient is φ = 1408700304.

The previous prime is 1490694187. The next prime is 1490694199. The reversal of 1490694193 is 3914960941.

It is an interprime number because it is at equal distance from previous prime (1490694187) and next prime (1490694199).

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

It is a cyclic number.

It is not a de Polignac number, because 1490694193 - 2²¹ = 1488597041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1490694199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388530 + ... + 392347.

It is an arithmetic number, because the mean of its divisors is an integer number (196781256).

Almost surely, 2^1490694193 is an apocalyptic number.

It is an amenable number.

1490694193 is a deficient number, since it is larger than the sum of its proper divisors (83555855).

1490694193 is an equidigital number, since it uses as much as digits as its factorization.

1490694193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780983.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 1490694193 is about 38609.5091007384. The cubic root of 1490694193 is about 1142.3421103437.

The spelling of 1490694193 in words is "one billion, four hundred ninety million, six hundred ninety-four thousand, one hundred ninety-three".