3419781 has 8 divisors (see below), whose sum is σ = 4569120. Its totient is φ = 2275152.

The previous prime is 3419777. The next prime is 3419803. The reversal of 3419781 is 1879143.

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

It is not a de Polignac number, because 3419781 - 2² = 3419777 is a prime.

It is a super-2 number, since 2×3419781² = 23389804175922, which contains 22 as substring.

3419781 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3419701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (571140).

Almost surely, 2^3419781 is an apocalyptic number.

It is an amenable number.

3419781 is a deficient number, since it is larger than the sum of its proper divisors (1149339).

3419781 is a wasteful number, since it uses less digits than its factorization.

3419781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355.

The product of its digits is 6048, while the sum is 33.

The square root of 3419781 is about 1849.2649891241. The cubic root of 3419781 is about 150.6605094681.

The spelling of 3419781 in words is "three million, four hundred nineteen thousand, seven hundred eighty-one".