298433940 has 48 divisors (see below), whose sum is σ = 954989952. Its totient is φ = 68213376.

The previous prime is 298433909. The next prime is 298433959. The reversal of 298433940 is 49334892.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 298433892 and 298433901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354859 + ... + 355698.

It is an arithmetic number, because the mean of its divisors is an integer number (19895624).

Almost surely, 2^298433940 is an apocalyptic number.

298433940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298433940 is an abundant number, since it is smaller than the sum of its proper divisors (656556012).

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

298433940 is a wasteful number, since it uses less digits than its factorization.

298433940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710576 (or 710574 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 298433940 is about 17275.2406640255. The cubic root of 298433940 is about 668.2660592908.

The spelling of 298433940 in words is "two hundred ninety-eight million, four hundred thirty-three thousand, nine hundred forty".