1386497 has 8 divisors (see below), whose sum is σ = 1623552. Its totient is φ = 1159200.

The previous prime is 1386491. The next prime is 1386499. The reversal of 1386497 is 7946831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1386497 - 2¹⁴ = 1370113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1386497.

It is not an unprimeable number, because it can be changed into a prime (1386491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (202944).

It is a Proth number, since it is equal to 677 ⋅ 2¹¹ + 1 and 677 < 2¹¹.

2^1386497 is an apocalyptic number.

It is an amenable number.

1386497 is a deficient number, since it is larger than the sum of its proper divisors (237055).

1386497 is an equidigital number, since it uses as much as digits as its factorization.

1386497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879.

The product of its digits is 36288, while the sum is 38.

The square root of 1386497 is about 1177.4960721803. The cubic root of 1386497 is about 111.5080731752.

The spelling of 1386497 in words is "one million, three hundred eighty-six thousand, four hundred ninety-seven".