1896708890 has 8 divisors (see below), whose sum is σ = 3414076020. Its totient is φ = 758683552.

The previous prime is 1896708833. The next prime is 1896708893. The reversal of 1896708890 is 988076981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1894947961 + 1760929 = 43531^2 + 1327^2 .

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

It is a super-2 number, since 2×1896708890² = 7195009226810064200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1896708893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94835435 + ... + 94835454.

Almost surely, 2^1896708890 is an apocalyptic number.

1896708890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1896708890 is a deficient number, since it is larger than the sum of its proper divisors (1517367130).

1896708890 is a wasteful number, since it uses less digits than its factorization.

1896708890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189670896.

The product of its (nonzero) digits is 1741824, while the sum is 56.

The square root of 1896708890 is about 43551.2214524461. The cubic root of 1896708890 is about 1237.8467856460.

The spelling of 1896708890 in words is "one billion, eight hundred ninety-six million, seven hundred eight thousand, eight hundred ninety".