1490370386 has 8 divisors (see below), whose sum is σ = 2236165644. Its totient is φ = 744981840.

The previous prime is 1490370379. The next prime is 1490370391. The reversal of 1490370386 is 6830730941.

It can be written as a sum of positive squares in 2 ways, for example, as 1472180161 + 18190225 = 38369^2 + 4265^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 92345 + ... + 107276.

Almost surely, 2^1490370386 is an apocalyptic number.

1490370386 is a deficient number, since it is larger than the sum of its proper divisors (745795258).

1490370386 is a wasteful number, since it uses less digits than its factorization.

1490370386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203356.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1490370386 is about 38605.3155148355. The cubic root of 1490370386 is about 1142.2593915764.

The spelling of 1490370386 in words is "one billion, four hundred ninety million, three hundred seventy thousand, three hundred eighty-six".