2150387 has 6 divisors (see below), whose sum is σ = 2203452. Its totient is φ = 2098572.

The previous prime is 2150383. The next prime is 2150399. The reversal of 2150387 is 7830512.

It is not a de Polignac number, because 2150387 - 2² = 2150383 is a prime.

It is a Duffinian number.

2150387 is a modest number, since divided by 387 gives 215 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2150383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1268 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (367242).

2^2150387 is an apocalyptic number.

2150387 is a deficient number, since it is larger than the sum of its proper divisors (53065).

2150387 is an equidigital number, since it uses as much as digits as its factorization.

2150387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2150387 is about 1466.4197898283. The cubic root of 2150387 is about 129.0740315801.

Adding to 2150387 its reverse (7830512), we get a palindrome (9980899).

The spelling of 2150387 in words is "two million, one hundred fifty thousand, three hundred eighty-seven".