60491890 has 16 divisors (see below), whose sum is σ = 109042200. Its totient is φ = 24161920.

The previous prime is 60491861. The next prime is 60491897. The reversal of 60491890 is 9819406.

It can be written as a sum of positive squares in 4 ways, for example, as 26863489 + 33628401 = 5183^2 + 5799^2 .

It is not an unprimeable number, because it can be changed into a prime (60491897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636 + ... + 11584.

Almost surely, 2^60491890 is an apocalyptic number.

60491890 is a deficient number, since it is larger than the sum of its proper divisors (48550310).

60491890 is a wasteful number, since it uses less digits than its factorization.

60491890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8717.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 60491890 is about 7777.6532450348. The cubic root of 60491890 is about 392.5536784065.

The spelling of 60491890 in words is "sixty million, four hundred ninety-one thousand, eight hundred ninety".