1398884503 has 2 divisors, whose sum is σ = 1398884504. Its totient is φ = 1398884502.

The previous prime is 1398884483. The next prime is 1398884537. The reversal of 1398884503 is 3054888931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1398884503 - 2²¹ = 1396787351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398884203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699442251 + 699442252.

It is an arithmetic number, because the mean of its divisors is an integer number (699442252).

Almost surely, 2^1398884503 is an apocalyptic number.

1398884503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398884503 is an equidigital number, since it uses as much as digits as its factorization.

1398884503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 1398884503 is about 37401.6644415727. The cubic root of 1398884503 is about 1118.3917454768.

The spelling of 1398884503 in words is "one billion, three hundred ninety-eight million, eight hundred eighty-four thousand, five hundred three".