98405428 has 18 divisors (see below), whose sum is σ = 189289058. Its totient is φ = 44729520.

The previous prime is 98405407. The next prime is 98405441. The reversal of 98405428 is 82450489.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 4276624 = 9702^2 + 2068^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101175 + ... + 102142.

Almost surely, 2^98405428 is an apocalyptic number.

It is an amenable number.

98405428 is a deficient number, since it is larger than the sum of its proper divisors (90883630).

98405428 is a wasteful number, since it uses less digits than its factorization.

98405428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203343 (or 203330 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 98405428 is about 9919.9510079435. The cubic root of 98405428 is about 461.6785367683.

The spelling of 98405428 in words is "ninety-eight million, four hundred five thousand, four hundred twenty-eight".