340734090 has 32 divisors (see below), whose sum is σ = 827620416. Its totient is φ = 89767040.

The previous prime is 340734089. The next prime is 340734101. The reversal of 340734090 is 90437043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65931 + ... + 70910.

It is an arithmetic number, because the mean of its divisors is an integer number (25863138).

Almost surely, 2^340734090 is an apocalyptic number.

340734090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

340734090 is an abundant number, since it is smaller than the sum of its proper divisors (486886326).

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

340734090 is a wasteful number, since it uses less digits than its factorization.

340734090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136934.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 340734090 is about 18458.9839915419. The cubic root of 340734090 is about 698.4551577947.

The spelling of 340734090 in words is "three hundred forty million, seven hundred thirty-four thousand, ninety".