3402738890 has 8 divisors (see below), whose sum is σ = 6124930020. Its totient is φ = 1361095552.

The previous prime is 3402738863. The next prime is 3402738893. The reversal of 3402738890 is 988372043.

3402738890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 58333²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3402738889 + 1 = 58333^2 + 1^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3402738893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170136935 + ... + 170136954.

Almost surely, 2^3402738890 is an apocalyptic number.

3402738890 is a deficient number, since it is larger than the sum of its proper divisors (2722191130).

3402738890 is a wasteful number, since it uses less digits than its factorization.

3402738890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340273896.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 3402738890 is about 58333.0000085715. Note that the first 5 decimals coincide. The cubic root of 3402738890 is about 1504.0982578428.

The spelling of 3402738890 in words is "three billion, four hundred two million, seven hundred thirty-eight thousand, eight hundred ninety".