38429500 has 48 divisors (see below), whose sum is σ = 84651840. Its totient is φ = 15240000.

The previous prime is 38429497. The next prime is 38429513. The reversal of 38429500 is 592483.

It is a congruent 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, 75246 + ... + 75754.

It is an arithmetic number, because the mean of its divisors is an integer number (1763580).

Almost surely, 2^38429500 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 38429500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42325920).

38429500 is an abundant number, since it is smaller than the sum of its proper divisors (46222340).

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

38429500 is a wasteful number, since it uses less digits than its factorization.

38429500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 38429500 is about 6199.1531679738. The cubic root of 38429500 is about 337.4594372833.

The spelling of 38429500 in words is "thirty-eight million, four hundred twenty-nine thousand, five hundred".