980423655 has 48 divisors (see below), whose sum is σ = 1663622784. Its totient is φ = 492972480.

The previous prime is 980423651. The next prime is 980423671. The reversal of 980423655 is 556324089.

It is not a de Polignac number, because 980423655 - 2² = 980423651 is a prime.

It is a super-2 number, since 2×980423655² = 1922461086567118050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980423651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1792092 + ... + 1792638.

It is an arithmetic number, because the mean of its divisors is an integer number (34658808).

Almost surely, 2^980423655 is an apocalyptic number.

980423655 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

980423655 is a deficient number, since it is larger than the sum of its proper divisors (683199129).

980423655 is a wasteful number, since it uses less digits than its factorization.

980423655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 980423655 is about 31311.7175351337. The cubic root of 980423655 is about 993.4315009533.

The spelling of 980423655 in words is "nine hundred eighty million, four hundred twenty-three thousand, six hundred fifty-five".