38417490 has 80 divisors (see below), whose sum is σ = 105798528. Its totient is φ = 9997344.

The previous prime is 38417479. The next prime is 38417497. The reversal of 38417490 is 9471483.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38417497) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34279 + ... + 35381.

Almost surely, 2^38417490 is an apocalyptic number.

38417490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38417490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52899264).

38417490 is an abundant number, since it is smaller than the sum of its proper divisors (67381038).

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

38417490 is a wasteful number, since it uses less digits than its factorization.

38417490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 38417490 is about 6198.1844115838. The cubic root of 38417490 is about 337.4242793091.

The spelling of 38417490 in words is "thirty-eight million, four hundred seventeen thousand, four hundred ninety".