1997350415 has 8 divisors (see below), whose sum is σ = 2399540208. Its totient is φ = 1596067200.

The previous prime is 1997350409. The next prime is 1997350427. The reversal of 1997350415 is 5140537991.

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

It is not a de Polignac number, because 1997350415 - 2²⁸ = 1728914959 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 221786 + ... + 230615.

It is an arithmetic number, because the mean of its divisors is an integer number (299942526).

Almost surely, 2^1997350415 is an apocalyptic number.

1997350415 is a deficient number, since it is larger than the sum of its proper divisors (402189793).

1997350415 is an equidigital number, since it uses as much as digits as its factorization.

1997350415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453289.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 1997350415 is about 44691.7264714623. The cubic root of 1997350415 is about 1259.3644260329.

The spelling of 1997350415 in words is "one billion, nine hundred ninety-seven million, three hundred fifty thousand, four hundred fifteen".