38474220 has 48 divisors (see below), whose sum is σ = 108218880. Its totient is φ = 10213056.

The previous prime is 38474209. The next prime is 38474243. The reversal of 38474220 is 2247483.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12999 + ... + 15681.

It is an arithmetic number, because the mean of its divisors is an integer number (2254560).

Almost surely, 2^38474220 is an apocalyptic number.

38474220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38474220 is an abundant number, since it is smaller than the sum of its proper divisors (69744660).

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

38474220 is a wasteful number, since it uses less digits than its factorization.

38474220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 38474220 is about 6202.7590635136. The cubic root of 38474220 is about 337.5902858589.

The spelling of 38474220 in words is "thirty-eight million, four hundred seventy-four thousand, two hundred twenty".