3400145 has 16 divisors (see below), whose sum is σ = 4909440. Its totient is φ = 2208384.

The previous prime is 3400127. The next prime is 3400157. The reversal of 3400145 is 5410043.

It is a cyclic number.

It is not a de Polignac number, because 3400145 - 2¹² = 3396049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1892 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (306840).

Almost surely, 2^3400145 is an apocalyptic number.

3400145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3400145 is a deficient number, since it is larger than the sum of its proper divisors (1509295).

3400145 is a wasteful number, since it uses less digits than its factorization.

3400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3400145 is about 1843.9482096849. The cubic root of 3400145 is about 150.3715971952.

Adding to 3400145 its reverse (5410043), we get a palindrome (8810188).

The spelling of 3400145 in words is "three million, four hundred thousand, one hundred forty-five".