1490355399 has 24 divisors (see below), whose sum is σ = 2188270080. Its totient is φ = 901578912.

The previous prime is 1490355379. The next prime is 1490355401. The reversal of 1490355399 is 9935530941.

It is not a de Polignac number, because 1490355399 - 2⁸ = 1490355143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490355319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5002 + ... + 54824.

It is an arithmetic number, because the mean of its divisors is an integer number (91177920).

Almost surely, 2^1490355399 is an apocalyptic number.

1490355399 is a deficient number, since it is larger than the sum of its proper divisors (697914681).

1490355399 is a wasteful number, since it uses less digits than its factorization.

1490355399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49911 (or 49898 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 48.

The square root of 1490355399 is about 38605.1214089530. The cubic root of 1490355399 is about 1142.2555627522.

The spelling of 1490355399 in words is "one billion, four hundred ninety million, three hundred fifty-five thousand, three hundred ninety-nine".