4915389 has 4 divisors (see below), whose sum is σ = 6553856. Its totient is φ = 3276924.

The previous prime is 4915369. The next prime is 4915403. The reversal of 4915389 is 9835194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4915389 - 2⁸ = 4915133 is a prime.

It is a super-2 number, since 2×4915389² = 48322098042642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4915369) 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, 819229 + ... + 819234.

It is an arithmetic number, because the mean of its divisors is an integer number (1638464).

Almost surely, 2^4915389 is an apocalyptic number.

It is an amenable number.

4915389 is a deficient number, since it is larger than the sum of its proper divisors (1638467).

4915389 is a wasteful number, since it uses less digits than its factorization.

4915389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638466.

The product of its digits is 38880, while the sum is 39.

The square root of 4915389 is about 2217.0676579663. The cubic root of 4915389 is about 170.0275503216.

The spelling of 4915389 in words is "four million, nine hundred fifteen thousand, three hundred eighty-nine".