3401145 has 24 divisors (see below), whose sum is σ = 6432192. Its totient is φ = 1648800.

The previous prime is 3401131. The next prime is 3401147. The reversal of 3401145 is 5411043.

It is a happy number.

It is not a de Polignac number, because 3401145 - 2⁴ = 3401129 is a prime.

It is a super-2 number, since 2×3401145² = 23135574622050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3401147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2941 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (268008).

Almost surely, 2^3401145 is an apocalyptic number.

It is an amenable number.

3401145 is a deficient number, since it is larger than the sum of its proper divisors (3031047).

3401145 is a wasteful number, since it uses less digits than its factorization.

3401145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3401145 is about 1844.2193470409. The cubic root of 3401145 is about 150.3863374350.

Adding to 3401145 its reverse (5411043), we get a palindrome (8812188).

It can be divided in two parts, 340 and 1145, that added together give a triangular number (1485 = T₅₄).

The spelling of 3401145 in words is "three million, four hundred one thousand, one hundred forty-five".