38290121 has 8 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 36683920.

The previous prime is 38290117. The next prime is 38290139. The reversal of 38290121 is 12109283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38290121 - 2² = 38290117 is a prime.

It is a super-2 number, since 2×38290121² = 2932266732389282, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (38290151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^38290121 is an apocalyptic number.

It is an amenable number.

38290121 is a deficient number, since it is larger than the sum of its proper divisors (1626679).

38290121 is a wasteful number, since it uses less digits than its factorization.

38290121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 38290121 is about 6187.9011789136. The cubic root of 38290121 is about 337.0509686431.

The spelling of 38290121 in words is "thirty-eight million, two hundred ninety thousand, one hundred twenty-one".