1612397 has 8 divisors (see below), whose sum is σ = 1714560. Its totient is φ = 1512000.

The previous prime is 1612393. The next prime is 1612427. The reversal of 1612397 is 7932161.

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 1612397 - 2² = 1612393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (214320).

2^1612397 is an apocalyptic number.

It is an amenable number.

1612397 is a deficient number, since it is larger than the sum of its proper divisors (102163).

1612397 is a wasteful number, since it uses less digits than its factorization.

1612397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its digits is 2268, while the sum is 29.

The square root of 1612397 is about 1269.8019530620. The cubic root of 1612397 is about 117.2620080961.

The spelling of 1612397 in words is "one million, six hundred twelve thousand, three hundred ninety-seven".