1490293917 has 16 divisors (see below), whose sum is σ = 2523249280. Its totient is φ = 851596416.

The previous prime is 1490293891. The next prime is 1490293927. The reversal of 1490293917 is 7193920941.

It is not a de Polignac number, because 1490293917 - 2¹² = 1490289821 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 (1490293927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3942388 + ... + 3942765.

It is an arithmetic number, because the mean of its divisors is an integer number (157703080).

Almost surely, 2^1490293917 is an apocalyptic number.

It is an amenable number.

1490293917 is a deficient number, since it is larger than the sum of its proper divisors (1032955363).

1490293917 is an equidigital number, since it uses as much as digits as its factorization.

1490293917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885169 (or 7885163 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1490293917 is about 38604.3251074281. The cubic root of 1490293917 is about 1142.2398552857.

The spelling of 1490293917 in words is "one billion, four hundred ninety million, two hundred ninety-three thousand, nine hundred seventeen".