1409497 has 4 divisors (see below), whose sum is σ = 1442320. Its totient is φ = 1376676.

The previous prime is 1409491. The next prime is 1409503. The reversal of 1409497 is 7949041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7949041 = 641 ⋅12401.

It is an interprime number because it is at equal distance from previous prime (1409491) and next prime (1409503).

It is a cyclic number.

It is not a de Polignac number, because 1409497 - 2³ = 1409489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16347 + ... + 16432.

It is an arithmetic number, because the mean of its divisors is an integer number (360580).

2^1409497 is an apocalyptic number.

It is an amenable number.

1409497 is a deficient number, since it is larger than the sum of its proper divisors (32823).

1409497 is an equidigital number, since it uses as much as digits as its factorization.

1409497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32822.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 1409497 is about 1187.2223886029. Note that the first 3 decimals coincide. The cubic root of 1409497 is about 112.1212812485.

The spelling of 1409497 in words is "one million, four hundred nine thousand, four hundred ninety-seven".