39298139 has 4 divisors (see below), whose sum is σ = 39311424. Its totient is φ = 39284856.

The previous prime is 39298109. The next prime is 39298201. The reversal of 39298139 is 93189293.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93189293 = 2179 ⋅42767.

It is a cyclic number.

It is not a de Polignac number, because 39298139 - 2⁸ = 39297883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39298139.

It is not an unprimeable number, because it can be changed into a prime (39298109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (9827856).

Almost surely, 2^39298139 is an apocalyptic number.

39298139 is a deficient number, since it is larger than the sum of its proper divisors (13285).

39298139 is an equidigital number, since it uses as much as digits as its factorization.

39298139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13284.

The product of its digits is 104976, while the sum is 44.

The square root of 39298139 is about 6268.8227762475. The cubic root of 39298139 is about 339.9830989292.

The spelling of 39298139 in words is "thirty-nine million, two hundred ninety-eight thousand, one hundred thirty-nine".