240189398 has 16 divisors (see below), whose sum is σ = 370712160. Its totient is φ = 116644800.

The previous prime is 240189377. The next prime is 240189419. The reversal of 240189398 is 893981042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (240189377) and next prime (240189419).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12383 + ... + 25173.

It is an arithmetic number, because the mean of its divisors is an integer number (23169510).

Almost surely, 2^240189398 is an apocalyptic number.

240189398 is a deficient number, since it is larger than the sum of its proper divisors (130522762).

240189398 is a wasteful number, since it uses less digits than its factorization.

240189398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 240189398 is about 15498.0449734797. The cubic root of 240189398 is about 621.6099314359.

The spelling of 240189398 in words is "two hundred forty million, one hundred eighty-nine thousand, three hundred ninety-eight".