3429890 has 8 divisors (see below), whose sum is σ = 6173820. Its totient is φ = 1371952.

The previous prime is 3429883. The next prime is 3429893. The reversal of 3429890 is 989243.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 405769 = 1739^2 + 637^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3429890.

It is not an unprimeable number, because it can be changed into a prime (3429893) 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, 171485 + ... + 171504.

Almost surely, 2^3429890 is an apocalyptic number.

3429890 is a deficient number, since it is larger than the sum of its proper divisors (2743930).

3429890 is a wasteful number, since it uses less digits than its factorization.

3429890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342996.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3429890 is about 1851.9962202985. The cubic root of 3429890 is about 150.8088161230.

The spelling of 3429890 in words is "three million, four hundred twenty-nine thousand, eight hundred ninety".