3900218433 has 16 divisors (see below), whose sum is σ = 5364402240. Its totient is φ = 2518710336.

The previous prime is 3900218429. The next prime is 3900218453. The reversal of 3900218433 is 3348120093.

It is a happy number.

It is not a de Polignac number, because 3900218433 - 2² = 3900218429 is a prime.

It is a super-2 number, since 2×3900218433² = 30423407650225950978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3900218394 and 3900218403.

It is not an unprimeable number, because it can be changed into a prime (3900218453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52198 + ... + 102591.

It is an arithmetic number, because the mean of its divisors is an integer number (335275140).

Almost surely, 2^3900218433 is an apocalyptic number.

It is an amenable number.

3900218433 is a deficient number, since it is larger than the sum of its proper divisors (1464183807).

3900218433 is a wasteful number, since it uses less digits than its factorization.

3900218433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155056.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3900218433 is about 62451.7288231479. The cubic root of 3900218433 is about 1574.0903029929.

The spelling of 3900218433 in words is "three billion, nine hundred million, two hundred eighteen thousand, four hundred thirty-three".