997962142 has 8 divisors (see below), whose sum is σ = 1499711832. Its totient is φ = 498058200.

The previous prime is 997962127. The next prime is 997962151. The reversal of 997962142 is 241269799.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460084 + ... + 462247.

It is an arithmetic number, because the mean of its divisors is an integer number (187463979).

Almost surely, 2^997962142 is an apocalyptic number.

997962142 is a deficient number, since it is larger than the sum of its proper divisors (501749690).

997962142 is a wasteful number, since it uses less digits than its factorization.

997962142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922874.

The product of its digits is 489888, while the sum is 49.

The square root of 997962142 is about 31590.5388051549. The cubic root of 997962142 is about 999.3202520474.

The spelling of 997962142 in words is "nine hundred ninety-seven million, nine hundred sixty-two thousand, one hundred forty-two".