1481630386 has 8 divisors (see below), whose sum is σ = 2230355484. Its totient is φ = 738178560.

The previous prime is 1481630347. The next prime is 1481630389. The reversal of 1481630386 is 6830361841.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1401079761 + 80550625 = 37431^2 + 8975^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1481630389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317615 + ... + 1318738.

Almost surely, 2^1481630386 is an apocalyptic number.

1481630386 is a deficient number, since it is larger than the sum of its proper divisors (748725098).

1481630386 is a wasteful number, since it uses less digits than its factorization.

1481630386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636636.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1481630386 is about 38491.9522238091. The cubic root of 1481630386 is about 1140.0221566433.

The spelling of 1481630386 in words is "one billion, four hundred eighty-one million, six hundred thirty thousand, three hundred eighty-six".