49861404 has 18 divisors (see below), whose sum is σ = 126038640. Its totient is φ = 16620456.

The previous prime is 49861397. The next prime is 49861417. The reversal of 49861404 is 40416894.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1385039 = 49861404 / (4 + 9 + 8 + 6 + 1 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692484 + ... + 692555.

Almost surely, 2^49861404 is an apocalyptic number.

It is an amenable number.

49861404 is an abundant number, since it is smaller than the sum of its proper divisors (76177236).

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

49861404 is a wasteful number, since it uses less digits than its factorization.

49861404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385049 (or 1385044 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 49861404 is about 7061.2607939376. The cubic root of 49861404 is about 368.0624401768.

The spelling of 49861404 in words is "forty-nine million, eight hundred sixty-one thousand, four hundred four".