1485791397 has 16 divisors (see below), whose sum is σ = 2234028480. Its totient is φ = 975742416.

The previous prime is 1485791387. The next prime is 1485791399. The reversal of 1485791397 is 7931975841.

It is a happy number.

1485791397 is a `hidden beast` number, since 1 + 485 + 79 + 1 + 3 + 97 = 666.

It is not a de Polignac number, because 1485791397 - 2²⁴ = 1469014181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485791399) 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, 408858 + ... + 412475.

It is an arithmetic number, because the mean of its divisors is an integer number (139626780).

Almost surely, 2^1485791397 is an apocalyptic number.

It is an amenable number.

1485791397 is a deficient number, since it is larger than the sum of its proper divisors (748237083).

1485791397 is an equidigital number, since it uses as much as digits as its factorization.

1485791397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821409 (or 821403 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The square root of 1485791397 is about 38545.9647304358. The cubic root of 1485791397 is about 1141.0883719447.

The spelling of 1485791397 in words is "one billion, four hundred eighty-five million, seven hundred ninety-one thousand, three hundred ninety-seven".