974142349 has 4 divisors (see below), whose sum is σ = 975802464. Its totient is φ = 972482236.

The previous prime is 974142307. The next prime is 974142383. The reversal of 974142349 is 943241479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974142349 is a prime.

It is a super-2 number, since 2×974142349² = 1897906632230475602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974149349) 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, 829177 + ... + 830350.

It is an arithmetic number, because the mean of its divisors is an integer number (243950616).

Almost surely, 2^974142349 is an apocalyptic number.

It is an amenable number.

974142349 is a deficient number, since it is larger than the sum of its proper divisors (1660115).

974142349 is a wasteful number, since it uses less digits than its factorization.

974142349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660114.

The product of its digits is 217728, while the sum is 43.

The square root of 974142349 is about 31211.2535634184. The cubic root of 974142349 is about 991.3054061295.

The spelling of 974142349 in words is "nine hundred seventy-four million, one hundred forty-two thousand, three hundred forty-nine".