1401003306 has 12 divisors (see below), whose sum is σ = 3035507202. Its totient is φ = 467001096.

The previous prime is 1401003281. The next prime is 1401003319. The reversal of 1401003306 is 6033001041.

It can be written as a sum of positive squares in only one way, i.e., 991305225 + 409698081 = 31485^2 + 20241^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 77833517 = 1401003306 / (1 + 4 + 0 + 1 + 0 + 0 + 3 + 3 + 0 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38916741 + ... + 38916776.

Almost surely, 2^1401003306 is an apocalyptic number.

1401003306 is an abundant number, since it is smaller than the sum of its proper divisors (1634503896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401003306 is a wasteful number, since it uses less digits than its factorization.

1401003306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77833525 (or 77833522 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1401003306 is about 37429.9787069135. The cubic root of 1401003306 is about 1118.9561133471.

Adding to 1401003306 its reverse (6033001041), we get a palindrome (7434004347).

The spelling of 1401003306 in words is "one billion, four hundred one million, three thousand, three hundred six".