2147487 has 8 divisors (see below), whose sum is σ = 2987904. Its totient is φ = 1369368.

The previous prime is 2147473. The next prime is 2147489. The reversal of 2147487 is 7847412.

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

It is not a de Polignac number, because 2147487 - 2⁷ = 2147359 is a prime.

It is a super-2 number, since 2×2147487² = 9223400830338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147489) 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, 15493 + ... + 15630.

It is an arithmetic number, because the mean of its divisors is an integer number (373488).

2^2147487 is an apocalyptic number.

2147487 is a deficient number, since it is larger than the sum of its proper divisors (840417).

2147487 is a wasteful number, since it uses less digits than its factorization.

2147487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31149.

The product of its digits is 12544, while the sum is 33.

The square root of 2147487 is about 1465.4306534258. The cubic root of 2147487 is about 129.0159826360.

The spelling of 2147487 in words is "two million, one hundred forty-seven thousand, four hundred eighty-seven".