1398947303 has 4 divisors (see below), whose sum is σ = 1506558648. Its totient is φ = 1291335960.

The previous prime is 1398947279. The next prime is 1398947387. The reversal of 1398947303 is 3037498931.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3037498931 = 34679 ⋅87589.

It is a cyclic number.

It is not a de Polignac number, because 1398947303 - 2⁸ = 1398947047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398947003) 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, 53805653 + ... + 53805678.

It is an arithmetic number, because the mean of its divisors is an integer number (376639662).

Almost surely, 2^1398947303 is an apocalyptic number.

1398947303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1398947303 is a deficient number, since it is larger than the sum of its proper divisors (107611345).

1398947303 is a wasteful number, since it uses less digits than its factorization.

1398947303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107611344.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 1398947303 is about 37402.5039669806. The cubic root of 1398947303 is about 1118.4084811807.

The spelling of 1398947303 in words is "one billion, three hundred ninety-eight million, nine hundred forty-seven thousand, three hundred three".