3478464 has 140 divisors (see below), whose sum is σ = 11433048. Its totient is φ = 1036800.

The previous prime is 3478459. The next prime is 3478469. The reversal of 3478464 is 4648743.

It is an interprime number because it is at equal distance from previous prime (3478459) and next prime (3478469).

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (64512) is a multiple of the sum of its prime factors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56994 + ... + 57054.

Almost surely, 2^3478464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3478464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5716524).

3478464 is an abundant number, since it is smaller than the sum of its proper divisors (7954584).

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

3478464 is a wasteful number, since it uses less digits than its factorization.

3478464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 77 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 3478464 is about 1865.0640739664. The cubic root of 3478464 is about 151.5173982568.

The spelling of 3478464 in words is "three million, four hundred seventy-eight thousand, four hundred sixty-four".