198451402 has 16 divisors (see below), whose sum is σ = 301154112. Its totient is φ = 98071200.

The previous prime is 198451373. The next prime is 198451411. The reversal of 198451402 is 204154891.

It is a happy 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, 127843 + ... + 129385.

It is an arithmetic number, because the mean of its divisors is an integer number (18822132).

Almost surely, 2^198451402 is an apocalyptic number.

198451402 is a deficient number, since it is larger than the sum of its proper divisors (102702710).

198451402 is a wasteful number, since it uses less digits than its factorization.

198451402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 198451402 is about 14087.2780195466. The cubic root of 198451402 is about 583.2902590961.

The spelling of 198451402 in words is "one hundred ninety-eight million, four hundred fifty-one thousand, four hundred two".