49946990 has 24 divisors (see below), whose sum is σ = 93127320. Its totient is φ = 19286624.

The previous prime is 49946989. The next prime is 49946999. The reversal of 49946990 is 9964994.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49946999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5441 + ... + 11379.

It is an arithmetic number, because the mean of its divisors is an integer number (3880305).

Almost surely, 2^49946990 is an apocalyptic number.

49946990 is a deficient number, since it is larger than the sum of its proper divisors (43180330).

49946990 is a wasteful number, since it uses less digits than its factorization.

49946990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004 (or 5975 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 49946990 is about 7067.3184447851. The cubic root of 49946990 is about 368.2729101533.

It can be divided in two parts, 49946 and 990, that multiplied together give a triangular number (49446540 = T₉₉₄₄).

The spelling of 49946990 in words is "forty-nine million, nine hundred forty-six thousand, nine hundred ninety".