38209842 has 24 divisors (see below), whose sum is σ = 90314640. Its totient is φ = 11578680.

The previous prime is 38209823. The next prime is 38209859. The reversal of 38209842 is 24890283.

It is a junction number, because it is equal to n+sod(n) for n = 38209797 and 38209806.

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, 96292 + ... + 96687.

It is an arithmetic number, because the mean of its divisors is an integer number (3763110).

Almost surely, 2^38209842 is an apocalyptic number.

38209842 is an abundant number, since it is smaller than the sum of its proper divisors (52104798).

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

38209842 is a wasteful number, since it uses less digits than its factorization.

38209842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192998 (or 192995 counting only the distinct ones).

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

The square root of 38209842 is about 6181.4110039699. The cubic root of 38209842 is about 336.8152503424.

The spelling of 38209842 in words is "thirty-eight million, two hundred nine thousand, eight hundred forty-two".