15384955 has 4 divisors (see below), whose sum is σ = 18461952. Its totient is φ = 12307960.

The previous prime is 15384931. The next prime is 15384973. The reversal of 15384955 is 55948351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55948351 = 23 ⋅2432537.

It is not a de Polignac number, because 15384955 - 2⁷ = 15384827 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538491 + ... + 1538500.

It is an arithmetic number, because the mean of its divisors is an integer number (4615488).

Almost surely, 2^15384955 is an apocalyptic number.

15384955 is a deficient number, since it is larger than the sum of its proper divisors (3076997).

15384955 is an equidigital number, since it uses as much as digits as its factorization.

15384955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076996.

The product of its digits is 108000, while the sum is 40.

The square root of 15384955 is about 3922.3659951616. The cubic root of 15384955 is about 248.7131474070.

The spelling of 15384955 in words is "fifteen million, three hundred eighty-four thousand, nine hundred fifty-five".