4919390 has 32 divisors (see below), whose sum is σ = 10450944. Its totient is φ = 1631520.

The previous prime is 4919381. The next prime is 4919393. The reversal of 4919390 is 939194.

4919390 = T₁₉₂ + T₁₉₃ + ... + T₃₃₁.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4919390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^4919390 is an apocalyptic number.

4919390 is an abundant number, since it is smaller than the sum of its proper divisors (5531554).

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

4919390 is a wasteful number, since it uses less digits than its factorization.

4919390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 4919390 is about 2217.9697924002. The cubic root of 4919390 is about 170.0736704920.

The spelling of 4919390 in words is "four million, nine hundred nineteen thousand, three hundred ninety".