980618 has 4 divisors (see below), whose sum is σ = 1470930. Its totient is φ = 490308.

The previous prime is 980599. The next prime is 980621. The reversal of 980618 is 816089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 727609 + 253009 = 853^2 + 503^2 .

It is a super-2 number, since 2×980618² = 1923223323848, which contains 22 as substring.

It is a zygodrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980618.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245153 + ... + 245156.

2⁹⁸⁰⁶¹⁸ is an apocalyptic number.

980618 is a deficient number, since it is larger than the sum of its proper divisors (490312).

980618 is a wasteful number, since it uses less digits than its factorization.

980618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490311.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 980618 is about 990.2615816036. The cubic root of 980618 is about 99.3497137779.

The spelling of 980618 in words is "nine hundred eighty thousand, six hundred eighteen".