4157487 has 16 divisors (see below), whose sum is σ = 6238560. Its totient is φ = 2770200.

The previous prime is 4157477. The next prime is 4157501. The reversal of 4157487 is 7847514.

4157487 is a `hidden beast` number, since 4 + 1 + 574 + 87 = 666.

It is not a de Polignac number, because 4157487 - 2⁴ = 4157471 is a prime.

4157487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237 + ... + 3137.

It is an arithmetic number, because the mean of its divisors is an integer number (389910).

Almost surely, 2^4157487 is an apocalyptic number.

4157487 is a deficient number, since it is larger than the sum of its proper divisors (2081073).

4157487 is an frugal number, since it uses more digits than its factorization.

4157487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 1904 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 4157487 is about 2038.9916625627. The cubic root of 4157487 is about 160.7966389362.

The spelling of 4157487 in words is "four million, one hundred fifty-seven thousand, four hundred eighty-seven".