38433900 has 36 divisors (see below), whose sum is σ = 111202952. Its totient is φ = 10248960.

The previous prime is 38433887. The next prime is 38433907. The reversal of 38433900 is 933483.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (38433907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63757 + ... + 64356.

Almost surely, 2^38433900 is an apocalyptic number.

38433900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38433900 is an abundant number, since it is smaller than the sum of its proper divisors (72769052).

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

38433900 is a wasteful number, since it uses less digits than its factorization.

38433900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128130 (or 128123 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38433900 is about 6199.5080449984. The cubic root of 38433900 is about 337.4723159734.

The spelling of 38433900 in words is "thirty-eight million, four hundred thirty-three thousand, nine hundred".