340021004 has 6 divisors (see below), whose sum is σ = 595036764. Its totient is φ = 170010500.

The previous prime is 340021001. The next prime is 340021007. The reversal of 340021004 is 400120043.

It is an interprime number because it is at equal distance from previous prime (340021001) and next prime (340021007).

It is a super-2 number, since 2×340021004² = 231228566322336032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340021004.

It is not an unprimeable number, because it can be changed into a prime (340021001) by changing a digit.

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 as a sum of consecutive naturals, namely, 42502622 + ... + 42502629.

It is an arithmetic number, because the mean of its divisors is an integer number (99172794).

Almost surely, 2^340021004 is an apocalyptic number.

It is an amenable number.

340021004 is a deficient number, since it is larger than the sum of its proper divisors (255015760).

340021004 is a wasteful number, since it uses less digits than its factorization.

340021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85005255 (or 85005253 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 340021004 is about 18439.6584567068. The cubic root of 340021004 is about 697.9675767568.

Adding to 340021004 its reverse (400120043), we get a palindrome (740141047).

The spelling of 340021004 in words is "three hundred forty million, twenty-one thousand, four".