4019090 has 8 divisors (see below), whose sum is σ = 7234380. Its totient is φ = 1607632.

The previous prime is 4019083. The next prime is 4019101. The reversal of 4019090 is 909104.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 142129 = 1969^2 + 377^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200945 + ... + 200964.

Almost surely, 2^4019090 is an apocalyptic number.

4019090 is a deficient number, since it is larger than the sum of its proper divisors (3215290).

4019090 is a wasteful number, since it uses less digits than its factorization.

4019090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401916.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 4019090 is about 2004.7668193583. The cubic root of 4019090 is about 158.9922335776.

The spelling of 4019090 in words is "four million, nineteen thousand, ninety".