1997348662 has 32 divisors (see below), whose sum is σ = 3126124800. Its totient is φ = 956067840.

The previous prime is 1997348657. The next prime is 1997348669. The reversal of 1997348662 is 2668437991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1997348669) 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, 4370338 + ... + 4370794.

It is an arithmetic number, because the mean of its divisors is an integer number (97691400).

Almost surely, 2^1997348662 is an apocalyptic number.

1997348662 is a deficient number, since it is larger than the sum of its proper divisors (1128776138).

1997348662 is a wasteful number, since it uses less digits than its factorization.

1997348662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its digits is 3919104, while the sum is 55.

The square root of 1997348662 is about 44691.7068593268. The cubic root of 1997348662 is about 1259.3640576004.

It can be divided in two parts, 19973 and 48662, that added together give a triangular number (68635 = T₃₇₀).

The spelling of 1997348662 in words is "one billion, nine hundred ninety-seven million, three hundred forty-eight thousand, six hundred sixty-two".