38240390 has 16 divisors (see below), whose sum is σ = 68906160. Its totient is φ = 15279840.

The previous prime is 38240383. The next prime is 38240417. The reversal of 38240390 is 9304283.

It is a congruent 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, 13280 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (4306635).

Almost surely, 2^38240390 is an apocalyptic number.

38240390 is a deficient number, since it is larger than the sum of its proper divisors (30665770).

38240390 is a wasteful number, since it uses less digits than its factorization.

38240390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 38240390 is about 6183.8814671693. The cubic root of 38240390 is about 336.9049854385.

The spelling of 38240390 in words is "thirty-eight million, two hundred forty thousand, three hundred ninety".