38540298 has 16 divisors (see below), whose sum is σ = 78873696. Its totient is φ = 12547920.

The previous prime is 38540269. The next prime is 38540317. The reversal of 38540298 is 89204583.

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, 74433 + ... + 74948.

It is an arithmetic number, because the mean of its divisors is an integer number (4929606).

Almost surely, 2^38540298 is an apocalyptic number.

38540298 is an abundant number, since it is smaller than the sum of its proper divisors (40333398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38540298 is a wasteful number, since it uses less digits than its factorization.

38540298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149429.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 38540298 is about 6208.0832790806. The cubic root of 38540298 is about 337.7834414528.

The spelling of 38540298 in words is "thirty-eight million, five hundred forty thousand, two hundred ninety-eight".