340304776 has 64 divisors (see below), whose sum is σ = 776822400. Its totient is φ = 136430592.

The previous prime is 340304771. The next prime is 340304813. The reversal of 340304776 is 677403043.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (340304771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169410 + ... + 171406.

It is an arithmetic number, because the mean of its divisors is an integer number (12137850).

Almost surely, 2^340304776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340304776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388411200).

340304776 is an abundant number, since it is smaller than the sum of its proper divisors (436517624).

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

340304776 is a wasteful number, since it uses less digits than its factorization.

340304776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 340304776 is about 18447.3514630150. The cubic root of 340304776 is about 698.1616908252.

The spelling of 340304776 in words is "three hundred forty million, three hundred four thousand, seven hundred seventy-six".