3487761 has 6 divisors (see below), whose sum is σ = 5037890. Its totient is φ = 2325168.

The previous prime is 3487753. The next prime is 3487769. The reversal of 3487761 is 1677843.

It is an interprime number because it is at equal distance from previous prime (3487753) and next prime (3487769).

It can be written as a sum of positive squares in only one way, i.e., 2047761 + 1440000 = 1431^2 + 1200^2 .

It is not a de Polignac number, because 3487761 - 2³ = 3487753 is a prime.

It is a super-3 number, since 3×3487761³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3487769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 193756 + ... + 193773.

Almost surely, 2^3487761 is an apocalyptic number.

It is an amenable number.

3487761 is a deficient number, since it is larger than the sum of its proper divisors (1550129).

3487761 is a wasteful number, since it uses less digits than its factorization.

3487761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387535 (or 387532 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 3487761 is about 1867.5548184725. The cubic root of 3487761 is about 151.6522666090.

The spelling of 3487761 in words is "three million, four hundred eighty-seven thousand, seven hundred sixty-one".