38220984 has 48 divisors (see below), whose sum is σ = 107354520. Its totient is φ = 12739680.

The previous prime is 38220977. The next prime is 38220991. The reversal of 38220984 is 48902283.

It is an interprime number because it is at equal distance from previous prime (38220977) and next prime (38220991).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7887 + ... + 11774.

Almost surely, 2^38220984 is an apocalyptic number.

It is an amenable number.

38220984 is an abundant number, since it is smaller than the sum of its proper divisors (69133536).

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

38220984 is a wasteful number, since it uses less digits than its factorization.

38220984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682 (or 19666 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 38220984 is about 6182.3121888174. The cubic root of 38220984 is about 336.8479856327.

It can be divided in two parts, 38220 and 984, that added together give a square (39204 = 198²).

The spelling of 38220984 in words is "thirty-eight million, two hundred twenty thousand, nine hundred eighty-four".