38489280 has 56 divisors (see below), whose sum is σ = 122206512. Its totient is φ = 10263552.

The previous prime is 38489279. The next prime is 38489329. The reversal of 38489280 is 8298483.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19087 + ... + 21006.

Almost surely, 2^38489280 is an apocalyptic number.

38489280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38489280 is an abundant number, since it is smaller than the sum of its proper divisors (83717232).

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

38489280 is a wasteful number, since it uses less digits than its factorization.

38489280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40113 (or 40103 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 38489280 is about 6203.9729206372. The cubic root of 38489280 is about 337.6343278736.

The spelling of 38489280 in words is "thirty-eight million, four hundred eighty-nine thousand, two hundred eighty".