1490606855 has 4 divisors (see below), whose sum is σ = 1788728232. Its totient is φ = 1192485480.

The previous prime is 1490606851. The next prime is 1490606863. The reversal of 1490606855 is 5586060941.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1490606855 - 2² = 1490606851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490606851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149060681 + ... + 149060690.

It is an arithmetic number, because the mean of its divisors is an integer number (447182058).

Almost surely, 2^1490606855 is an apocalyptic number.

1490606855 is a deficient number, since it is larger than the sum of its proper divisors (298121377).

1490606855 is an equidigital number, since it uses as much as digits as its factorization.

1490606855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298121376.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1490606855 is about 38608.3780415598. The cubic root of 1490606855 is about 1142.3198004194.

The spelling of 1490606855 in words is "one billion, four hundred ninety million, six hundred six thousand, eight hundred fifty-five".