3400449 has 24 divisors (see below), whose sum is σ = 5182560. Its totient is φ = 1976832.

The previous prime is 3400409. The next prime is 3400457. The reversal of 3400449 is 9440043.

It is not a de Polignac number, because 3400449 - 2⁸ = 3400193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3400409) 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, 9457 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (215940).

Almost surely, 2^3400449 is an apocalyptic number.

3400449 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3400449 is a deficient number, since it is larger than the sum of its proper divisors (1782111).

3400449 is a wasteful number, since it uses less digits than its factorization.

3400449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3400449 is about 1844.0306396587. The cubic root of 3400449 is about 150.3760785338.

The spelling of 3400449 in words is "three million, four hundred thousand, four hundred forty-nine".