39289121 has 8 divisors (see below), whose sum is σ = 40664064. Its totient is φ = 37920960.

The previous prime is 39289099. The next prime is 39289157. The reversal of 39289121 is 12198293.

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 39289121 - 2¹⁰ = 39288097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39289181) 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, 11960 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (5083008).

Almost surely, 2^39289121 is an apocalyptic number.

39289121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

39289121 is a deficient number, since it is larger than the sum of its proper divisors (1374943).

39289121 is a wasteful number, since it uses less digits than its factorization.

39289121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391.

The product of its digits is 7776, while the sum is 35.

The square root of 39289121 is about 6268.1034611755. The cubic root of 39289121 is about 339.9570908941.

The spelling of 39289121 in words is "thirty-nine million, two hundred eighty-nine thousand, one hundred twenty-one".