38427340 has 48 divisors (see below), whose sum is σ = 93364992. Its totient is φ = 13012416.

The previous prime is 38427331. The next prime is 38427353. The reversal of 38427340 is 4372483.

It is a happy number.

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, 9967 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (1945104).

Almost surely, 2^38427340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38427340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46682496).

38427340 is an abundant number, since it is smaller than the sum of its proper divisors (54937652).

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

38427340 is a wasteful number, since it uses less digits than its factorization.

38427340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3406 (or 3404 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 38427340 is about 6198.9789481817. The cubic root of 38427340 is about 337.4531146576.

The spelling of 38427340 in words is "thirty-eight million, four hundred twenty-seven thousand, three hundred forty".