1426396587 has 32 divisors (see below), whose sum is σ = 2401198080. Its totient is φ = 731596320.

The previous prime is 1426396571. The next prime is 1426396649. The reversal of 1426396587 is 7856936241.

It is not a de Polignac number, because 1426396587 - 2⁴ = 1426396571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426396487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20833 + ... + 57330.

It is an arithmetic number, because the mean of its divisors is an integer number (75037440).

Almost surely, 2^1426396587 is an apocalyptic number.

1426396587 is a deficient number, since it is larger than the sum of its proper divisors (974801493).

1426396587 is a wasteful number, since it uses less digits than its factorization.

1426396587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78263.

The product of its digits is 2177280, while the sum is 51.

The square root of 1426396587 is about 37767.6658929302. The cubic root of 1426396587 is about 1125.6760610024.

The spelling of 1426396587 in words is "one billion, four hundred twenty-six million, three hundred ninety-six thousand, five hundred eighty-seven".