1486794890 has 32 divisors (see below), whose sum is σ = 3133154304. Its totient is φ = 497324160.

The previous prime is 1486794889. The next prime is 1486794899. The reversal of 1486794890 is 984976841.

It is a super-2 number, since 2×1486794890² = 4421118089860224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1486794899) 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, 256154 + ... + 261893.

It is an arithmetic number, because the mean of its divisors is an integer number (97911072).

Almost surely, 2^1486794890 is an apocalyptic number.

1486794890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1486794890 is an abundant number, since it is smaller than the sum of its proper divisors (1646359414).

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

1486794890 is a wasteful number, since it uses less digits than its factorization.

1486794890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518102.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 1486794890 is about 38558.9793692727. The cubic root of 1486794890 is about 1141.3452084698.

The spelling of 1486794890 in words is "one billion, four hundred eighty-six million, seven hundred ninety-four thousand, eight hundred ninety".