3400232021 has 4 divisors (see below), whose sum is σ = 3400359552. Its totient is φ = 3400104492.

The previous prime is 3400231987. The next prime is 3400232027. The reversal of 3400232021 is 1202320043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1202320043 = 17627 ⋅68209.

It is a cyclic number.

It is not a de Polignac number, because 3400232021 - 2²² = 3396037717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400232027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6821 + ... + 82746.

It is an arithmetic number, because the mean of its divisors is an integer number (850089888).

Almost surely, 2^3400232021 is an apocalyptic number.

It is an amenable number.

3400232021 is a deficient number, since it is larger than the sum of its proper divisors (127531).

3400232021 is an equidigital number, since it uses as much as digits as its factorization.

3400232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127530.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3400232021 is about 58311.5084781726. The cubic root of 3400232021 is about 1503.7288002038.

Adding to 3400232021 its reverse (1202320043), we get a palindrome (4602552064).

The spelling of 3400232021 in words is "three billion, four hundred million, two hundred thirty-two thousand, twenty-one".