49928390 has 16 divisors (see below), whose sum is σ = 94601520. Its totient is φ = 18920160.

The previous prime is 49928381. The next prime is 49928393. The reversal of 49928390 is 9382994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49928393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131201 + ... + 131580.

It is an arithmetic number, because the mean of its divisors is an integer number (5912595).

Almost surely, 2^49928390 is an apocalyptic number.

49928390 is a deficient number, since it is larger than the sum of its proper divisors (44673130).

49928390 is a wasteful number, since it uses less digits than its factorization.

49928390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262807.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 49928390 is about 7066.0024058869. The cubic root of 49928390 is about 368.2271901704.

It can be divided in two parts, 49928 and 390, that multiplied together give a triangular number (19471920 = T₆₂₄₀).

The spelling of 49928390 in words is "forty-nine million, nine hundred twenty-eight thousand, three hundred ninety".