39898384 has 20 divisors (see below), whose sum is σ = 77740560. Its totient is φ = 19836320.

The previous prime is 39898381. The next prime is 39898387. The reversal of 39898384 is 48389893.

It is an interprime number because it is at equal distance from previous prime (39898381) and next prime (39898387).

It is a super-2 number, since 2×39898384² = 3183762091622912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39898381) 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, 4102 + ... + 9829.

It is an arithmetic number, because the mean of its divisors is an integer number (3887028).

Almost surely, 2^39898384 is an apocalyptic number.

It is an amenable number.

39898384 is a deficient number, since it is larger than the sum of its proper divisors (37842176).

39898384 is a wasteful number, since it uses less digits than its factorization.

39898384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14118 (or 14112 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 39898384 is about 6316.5167616337. The cubic root of 39898384 is about 341.7053422277.

The spelling of 39898384 in words is "thirty-nine million, eight hundred ninety-eight thousand, three hundred eighty-four".