4155387 has 8 divisors (see below), whose sum is σ = 5781504. Its totient is φ = 2649768.

The previous prime is 4155367. The next prime is 4155401. The reversal of 4155387 is 7835514.

4155387 = 414² + 415² + ... + 436².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4155387 - 2¹⁰ = 4154363 is a prime.

It is a super-2 number, since 2×4155387² = 34534482239538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4155337) 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, 30043 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (722688).

Almost surely, 2^4155387 is an apocalyptic number.

4155387 is a deficient number, since it is larger than the sum of its proper divisors (1626117).

4155387 is a wasteful number, since it uses less digits than its factorization.

4155387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60249.

The product of its digits is 16800, while the sum is 33.

The square root of 4155387 is about 2038.4766370994. The cubic root of 4155387 is about 160.7695608951.

The spelling of 4155387 in words is "four million, one hundred fifty-five thousand, three hundred eighty-seven".