3651090 has 32 divisors (see below), whose sum is σ = 9279360. Its totient is φ = 916224.

The previous prime is 3651083. The next prime is 3651119. The reversal of 3651090 is 901563.

Added to its reverse (901563) it gives a triangular number (4552653 = T₃₀₁₇).

It is a self number, because there is not a number n which added to its sum of digits gives 3651090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3070 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (289980).

Almost surely, 2^3651090 is an apocalyptic number.

3651090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3651090 is an abundant number, since it is smaller than the sum of its proper divisors (5628270).

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

3651090 is a wasteful number, since it uses less digits than its factorization.

3651090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 3651090 is about 1910.7825621980. The cubic root of 3651090 is about 153.9834974165.

Adding to 3651090 its reverse (901563), we get a triangular number (4552653 = T₃₀₁₇).

The spelling of 3651090 in words is "three million, six hundred fifty-one thousand, ninety".