49989430 has 8 divisors (see below), whose sum is σ = 89980992. Its totient is φ = 19995768.

The previous prime is 49989427. The next prime is 49989481. The reversal of 49989430 is 3498994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×49989430² = 4997886223449800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2499462 + ... + 2499481.

It is an arithmetic number, because the mean of its divisors is an integer number (11247624).

Almost surely, 2^49989430 is an apocalyptic number.

49989430 is a deficient number, since it is larger than the sum of its proper divisors (39991562).

49989430 is a wasteful number, since it uses less digits than its factorization.

49989430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4998950.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 49989430 is about 7070.3203604929. The cubic root of 49989430 is about 368.3771878925.

The spelling of 49989430 in words is "forty-nine million, nine hundred eighty-nine thousand, four hundred thirty".