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3480461 = 17204733

3480461 has 4 divisors (see below), whose sum is σ = 3685212. Its totient is φ = 3275712.

The previous prime is 3480443. The next prime is 3480487. The reversal of 3480461 is 1640843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1640843 = 2371341.

It can be written as a sum of positive squares in 2 ways, for example, as 1322500 + 2157961 = 1150^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 3480461 - 218 = 3218317 is a prime.

It is a super-2 number, since 2×34804612 = 24227217545042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3480461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102350 + ... + 102383.

It is an arithmetic number, because the mean of its divisors is an integer number (921303).

Almost surely, 23480461 is an apocalyptic number.

It is an amenable number.

3480461 is a deficient number, since it is larger than the sum of its proper divisors (204751).

3480461 is a wasteful number, since it uses less digits than its factorization.

3480461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204750.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3480461 is about 1865.5993674956. The cubic root of 3480461 is about 151.5463882898.

The spelling of 3480461 in words is "three million, four hundred eighty thousand, four hundred sixty-one".

Divisors: 1 17 204733 3480461