340077738 has 96 divisors (see below), whose sum is σ = 929638080. Its totient is φ = 81527040.

The previous prime is 340077677. The next prime is 340077757. The reversal of 340077738 is 837770043.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 340077696 and 340077705.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37998 + ... + 46086.

It is an arithmetic number, because the mean of its divisors is an integer number (9683730).

Almost surely, 2^340077738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340077738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464819040).

340077738 is an abundant number, since it is smaller than the sum of its proper divisors (589560342).

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

340077738 is a wasteful number, since it uses less digits than its factorization.

340077738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8132 (or 8125 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 340077738 is about 18441.1967615987. The cubic root of 340077738 is about 698.0063942513.

The spelling of 340077738 in words is "three hundred forty million, seventy-seven thousand, seven hundred thirty-eight".