3477940 has 12 divisors (see below), whose sum is σ = 7303716. Its totient is φ = 1391168.

The previous prime is 3477917. The next prime is 3477959. The reversal of 3477940 is 497743.

It can be written as a sum of positive squares in 2 ways, for example, as 2579236 + 898704 = 1606^2 + 948^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3477896 and 3477905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86929 + ... + 86968.

It is an arithmetic number, because the mean of its divisors is an integer number (608643).

Almost surely, 2^3477940 is an apocalyptic number.

It is an amenable number.

3477940 is an abundant number, since it is smaller than the sum of its proper divisors (3825776).

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

3477940 is a wasteful number, since it uses less digits than its factorization.

3477940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173906 (or 173904 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 3477940 is about 1864.9235909281. The cubic root of 3477940 is about 151.5097896204.

The spelling of 3477940 in words is "three million, four hundred seventy-seven thousand, nine hundred forty".