1996387097 has 16 divisors (see below), whose sum is σ = 2108021760. Its totient is φ = 1886907792.

The previous prime is 1996387049. The next prime is 1996387123. The reversal of 1996387097 is 7907836991.

It is a cyclic number.

It is not a de Polignac number, because 1996387097 - 2⁶ = 1996387033 is a prime.

It is a super-2 number, since 2×1996387097² = 7971122882136174818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1996387597) 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, 1958654 + ... + 1959672.

It is an arithmetic number, because the mean of its divisors is an integer number (131751360).

Almost surely, 2^1996387097 is an apocalyptic number.

It is an amenable number.

1996387097 is a deficient number, since it is larger than the sum of its proper divisors (111634663).

1996387097 is a wasteful number, since it uses less digits than its factorization.

1996387097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The square root of 1996387097 is about 44680.9478077625. The cubic root of 1996387097 is about 1259.1619305169.

The spelling of 1996387097 in words is "one billion, nine hundred ninety-six million, three hundred eighty-seven thousand, ninety-seven".