490001970 has 16 divisors (see below), whose sum is σ = 1176004800. Its totient is φ = 130667184.

The previous prime is 490001957. The next prime is 490001987. The reversal of 490001970 is 79100094.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 16333399 = 490001970 / (4 + 9 + 0 + 0 + 0 + 1 + 9 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8166670 + ... + 8166729.

It is an arithmetic number, because the mean of its divisors is an integer number (73500300).

Almost surely, 2^490001970 is an apocalyptic number.

490001970 is an abundant number, since it is smaller than the sum of its proper divisors (686002830).

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

490001970 is a wasteful number, since it uses less digits than its factorization.

490001970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333409.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 490001970 is about 22135.9881188981. The cubic root of 490001970 is about 788.3745728369.

The spelling of 490001970 in words is "four hundred ninety million, one thousand, nine hundred seventy".