4018490 has 48 divisors (see below), whose sum is σ = 8618400. Its totient is φ = 1344672.

The previous prime is 4018489. The next prime is 4018507. The reversal of 4018490 is 948104.

It is a super-2 number, since 2×4018490² = 32296523760200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28841 + ... + 28979.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 2^4018490 is an apocalyptic number.

4018490 is an abundant number, since it is smaller than the sum of its proper divisors (4599910).

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

4018490 is a wasteful number, since it uses less digits than its factorization.

4018490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4018490 is about 2004.6171704343. The cubic root of 4018490 is about 158.9843213315.

Multiplying 4018490 by its sum of digits (26), we get a triangular number (104480740 = T₁₄₄₅₅).

It can be divided in two parts, 40 and 18490, that multiplied together give a square (739600 = 860²).

The spelling of 4018490 in words is "four million, eighteen thousand, four hundred ninety".