1618363 has 6 divisors (see below), whose sum is σ = 1708404. Its totient is φ = 1532844.

The previous prime is 1618333. The next prime is 1618367. The reversal of 1618363 is 3638161.

It is a de Polignac number, because none of the positive numbers 2^k-1618363 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1618367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1881 + ... + 2602.

It is an arithmetic number, because the mean of its divisors is an integer number (284734).

2^1618363 is an apocalyptic number.

1618363 is a deficient number, since it is larger than the sum of its proper divisors (90041).

1618363 is an equidigital number, since it uses as much as digits as its factorization.

1618363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521 (or 4502 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1618363 is about 1272.1489692642. The cubic root of 1618363 is about 117.4064564068.

The spelling of 1618363 in words is "one million, six hundred eighteen thousand, three hundred sixty-three".