1240698 has 8 divisors (see below), whose sum is σ = 2481408. Its totient is φ = 413564.

The previous prime is 1240691. The next prime is 1240699. The reversal of 1240698 is 8960421.

It is a sphenic number, since it is the product of 3 distinct primes.

1240698 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1240691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103386 + ... + 103397.

It is an arithmetic number, because the mean of its divisors is an integer number (310176).

2^1240698 is an apocalyptic number.

1240698 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1240698 is a wasteful number, since it uses less digits than its factorization.

1240698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206788.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1240698 is about 1113.8662397254. The cubic root of 1240698 is about 107.4538615778.

The spelling of 1240698 in words is "one million, two hundred forty thousand, six hundred ninety-eight".