3579640 has 16 divisors (see below), whose sum is σ = 8054280. Its totient is φ = 1431840.

The previous prime is 3579629. The next prime is 3579647. The reversal of 3579640 is 469753.

It is a junction number, because it is equal to n+sod(n) for n = 3579596 and 3579605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3579647) 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, 44706 + ... + 44785.

Almost surely, 2^3579640 is an apocalyptic number.

It is an amenable number.

3579640 is an abundant number, since it is smaller than the sum of its proper divisors (4474640).

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

3579640 is a wasteful number, since it uses less digits than its factorization.

3579640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89502 (or 89498 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3579640 is about 1891.9936574947. The cubic root of 3579640 is about 152.9724130420.

The spelling of 3579640 in words is "three million, five hundred seventy-nine thousand, six hundred forty".