196751428 has 24 divisors (see below), whose sum is σ = 356895000. Its totient is φ = 94795008.

The previous prime is 196751411. The next prime is 196751473. The reversal of 196751428 is 824157691.

It can be written as a sum of positive squares in 4 ways, for example, as 2762244 + 193989184 = 1662^2 + 13928^2 .

It is a super-2 number, since 2×196751428² = 77422248840078368, which contains 22 as substring.

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, 70198 + ... + 72946.

It is an arithmetic number, because the mean of its divisors is an integer number (14870625).

Almost surely, 2^196751428 is an apocalyptic number.

It is an amenable number.

196751428 is a deficient number, since it is larger than the sum of its proper divisors (160143572).

196751428 is a wasteful number, since it uses less digits than its factorization.

196751428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3397 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 196751428 is about 14026.8110417158. The cubic root of 196751428 is about 581.6199539757.

The spelling of 196751428 in words is "one hundred ninety-six million, seven hundred fifty-one thousand, four hundred twenty-eight".