385107499 has 4 divisors (see below), whose sum is σ = 440122864. Its totient is φ = 330092136.

The previous prime is 385107493. The next prime is 385107517. The reversal of 385107499 is 994701583.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994701583 = 1031 ⋅964793.

It is a cyclic number.

It is not a de Polignac number, because 385107499 - 2¹³ = 385099307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385107493) 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, 27507672 + ... + 27507685.

It is an arithmetic number, because the mean of its divisors is an integer number (110030716).

Almost surely, 2^385107499 is an apocalyptic number.

385107499 is a deficient number, since it is larger than the sum of its proper divisors (55015365).

385107499 is an equidigital number, since it uses as much as digits as its factorization.

385107499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55015364.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 385107499 is about 19624.1560073293. The cubic root of 385107499 is about 727.5463369989.

The spelling of 385107499 in words is "three hundred eighty-five million, one hundred seven thousand, four hundred ninety-nine".