3440745 has 64 divisors (see below), whose sum is σ = 7649280. Its totient is φ = 1425600.

The previous prime is 3440719. The next prime is 3440771. The reversal of 3440745 is 5470443.

3440745 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (3440719) and next prime (3440771).

It is not a de Polignac number, because 3440745 - 2¹² = 3436649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10230 + ... + 10560.

It is an arithmetic number, because the mean of its divisors is an integer number (119520).

Almost surely, 2^3440745 is an apocalyptic number.

3440745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3440745 is an abundant number, since it is smaller than the sum of its proper divisors (4208535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3440745 is a wasteful number, since it uses less digits than its factorization.

3440745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 3440745 is about 1854.9245267665. The cubic root of 3440745 is about 150.9677430622.

The spelling of 3440745 in words is "three million, four hundred forty thousand, seven hundred forty-five".