3436440 has 64 divisors (see below), whose sum is σ = 11784960. Its totient is φ = 785280.

The previous prime is 3436439. The next prime is 3436451. The reversal of 3436440 is 446343.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3436440.

It is a congruent 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, 1206 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

Almost surely, 2^3436440 is an apocalyptic number.

3436440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3436440 is an abundant number, since it is smaller than the sum of its proper divisors (8348520).

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

3436440 is a wasteful number, since it uses less digits than its factorization.

3436440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4112 (or 4108 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3436440 is about 1853.7637389916. The cubic root of 3436440 is about 150.9047540509.

The spelling of 3436440 in words is "three million, four hundred thirty-six thousand, four hundred forty".