298297040 has 20 divisors (see below), whose sum is σ = 693540804. Its totient is φ = 119318784.

The previous prime is 298297039. The next prime is 298297081. The reversal of 298297040 is 40792892.

It can be written as a sum of positive squares in 2 ways, for example, as 207590464 + 90706576 = 14408^2 + 9524^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×298297040² = 177962248145523200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864277 + ... + 1864436.

Almost surely, 2^298297040 is an apocalyptic number.

298297040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298297040 is an abundant number, since it is smaller than the sum of its proper divisors (395243764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298297040 is a wasteful number, since it uses less digits than its factorization.

298297040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728726 (or 3728720 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 298297040 is about 17271.2778913432. The cubic root of 298297040 is about 668.1638595476.

The spelling of 298297040 in words is "two hundred ninety-eight million, two hundred ninety-seven thousand, forty".