340019764 has 24 divisors (see below), whose sum is σ = 709607808. Its totient is φ = 139386720.

The previous prime is 340019759. The next prime is 340019819. The reversal of 340019764 is 467910043.

It is a happy number.

It is a super-2 number, since 2×340019764² = 231226879821231392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263347 + ... + 264634.

It is an arithmetic number, because the mean of its divisors is an integer number (29566992).

Almost surely, 2^340019764 is an apocalyptic number.

It is an amenable number.

340019764 is an abundant number, since it is smaller than the sum of its proper divisors (369588044).

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

340019764 is a wasteful number, since it uses less digits than its factorization.

340019764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528015 (or 528013 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 340019764 is about 18439.6248334938. The cubic root of 340019764 is about 697.9667282986.

The spelling of 340019764 in words is "three hundred forty million, nineteen thousand, seven hundred sixty-four".