38201490 has 64 divisors (see below), whose sum is σ = 102654720. Its totient is φ = 10108800.

The previous prime is 38201467. The next prime is 38201503. The reversal of 38201490 is 9410283.

38201490 = 82² + 83² + ... + 486².

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40302 + ... + 41238.

It is an arithmetic number, because the mean of its divisors is an integer number (1603980).

Almost surely, 2^38201490 is an apocalyptic number.

38201490 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 38201490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51327360).

38201490 is an abundant number, since it is smaller than the sum of its proper divisors (64453230).

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

38201490 is a wasteful number, since it uses less digits than its factorization.

38201490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 38201490 is about 6180.7353931389. The cubic root of 38201490 is about 336.7907079225.

The spelling of 38201490 in words is "thirty-eight million, two hundred one thousand, four hundred ninety".