1630497 has 8 divisors (see below), whose sum is σ = 2371680. Its totient is φ = 988160.

The previous prime is 1630483. The next prime is 1630501. The reversal of 1630497 is 7940361.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1630497 - 2²⁰ = 581921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1630427) 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, 24672 + ... + 24737.

It is an arithmetic number, because the mean of its divisors is an integer number (296460).

2^1630497 is an apocalyptic number.

It is an amenable number.

1630497 is a deficient number, since it is larger than the sum of its proper divisors (741183).

1630497 is a wasteful number, since it uses less digits than its factorization.

1630497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49423.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1630497 is about 1276.9091588676. The cubic root of 1630497 is about 117.6991522290.

The spelling of 1630497 in words is "one million, six hundred thirty thousand, four hundred ninety-seven".