1406497 has 2 divisors, whose sum is σ = 1406498. Its totient is φ = 1406496.

The previous prime is 1406479. The next prime is 1406521. The reversal of 1406497 is 7946041.

Together with previous prime (1406479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 404496 = 1001^2 + 636^2 .

It is an emirp because it is prime and its reverse (7946041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406497 is a prime.

It is a super-2 number, since 2×1406497² = 3956467622018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1406417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703248 + 703249.

It is an arithmetic number, because the mean of its divisors is an integer number (703249).

2^1406497 is an apocalyptic number.

It is an amenable number.

1406497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406497 is an equidigital number, since it uses as much as digits as its factorization.

1406497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1406497 is about 1185.9582623347. The cubic root of 1406497 is about 112.0416777286.

It can be divided in two parts, 14064 and 97, that added together give a square (14161 = 119²).

The spelling of 1406497 in words is "one million, four hundred six thousand, four hundred ninety-seven".