340397732 has 36 divisors (see below), whose sum is σ = 651864780. Its totient is φ = 154990080.

The previous prime is 340397693. The next prime is 340397773. The reversal of 340397732 is 237793043.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 307862116 + 32535616 = 17546^2 + 5704^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62744 + ... + 67952.

It is an arithmetic number, because the mean of its divisors is an integer number (18107355).

Almost surely, 2^340397732 is an apocalyptic number.

It is an amenable number.

340397732 is a deficient number, since it is larger than the sum of its proper divisors (311467048).

340397732 is a wasteful number, since it uses less digits than its factorization.

340397732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 5259 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 340397732 is about 18449.8707854554. The cubic root of 340397732 is about 698.2252538570.

The spelling of 340397732 in words is "three hundred forty million, three hundred ninety-seven thousand, seven hundred thirty-two".