1383897398 has 24 divisors (see below), whose sum is σ = 2262978000. Its totient is φ = 634412064.

The previous prime is 1383897397. The next prime is 1383897409. The reversal of 1383897398 is 8937983831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383897397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36623 + ... + 64101.

It is an arithmetic number, because the mean of its divisors is an integer number (94290750).

Almost surely, 2^1383897398 is an apocalyptic number.

1383897398 is a deficient number, since it is larger than the sum of its proper divisors (879080602).

1383897398 is a wasteful number, since it uses less digits than its factorization.

1383897398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27656 (or 27643 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 1383897398 is about 37200.7714704951. The cubic root of 1383897398 is about 1114.3833917020.

The spelling of 1383897398 in words is "one billion, three hundred eighty-three million, eight hundred ninety-seven thousand, three hundred ninety-eight".