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3490 = 25349
BaseRepresentation
bin110110100010
311210021
4312202
5102430
624054
713114
oct6642
94707
103490
112693
12202a
131786
1413b4
15107a
hexda2

3490 has 8 divisors (see below), whose sum is σ = 6300. Its totient is φ = 1392.

The previous prime is 3469. The next prime is 3491. The reversal of 3490 is 943.

3490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3481 + 9 = 59^2 + 3^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 8 and base 16.

It is not an unprimeable number, because it can be changed into a prime (3491) 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, 165 + ... + 184.

23490 is an apocalyptic number.

3490 is a deficient number, since it is larger than the sum of its proper divisors (2810).

3490 is a wasteful number, since it uses less digits than its factorization.

3490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3490 is about 59.0762219510. The cubic root of 3490 is about 15.1684711186.

The spelling of 3490 in words is "three thousand, four hundred ninety".

Divisors: 1 2 5 10 349 698 1745 3490