3420431402 has 8 divisors (see below), whose sum is σ = 5136473412. Its totient is φ = 1708273600.

The previous prime is 3420431389. The next prime is 3420431423. The reversal of 3420431402 is 2041340243.

It can be written as a sum of positive squares in 2 ways, for example, as 3331713841 + 88717561 = 57721^2 + 9419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968849 + ... + 972372.

Almost surely, 2^3420431402 is an apocalyptic number.

3420431402 is a deficient number, since it is larger than the sum of its proper divisors (1716042010).

3420431402 is a wasteful number, since it uses less digits than its factorization.

3420431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942104.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3420431402 is about 58484.4543618217. The cubic root of 3420431402 is about 1506.7006014646.

Adding to 3420431402 its reverse (2041340243), we get a palindrome (5461771645).

The spelling of 3420431402 in words is "three billion, four hundred twenty million, four hundred thirty-one thousand, four hundred two".