49377638 has 8 divisors (see below), whose sum is σ = 75081288. Its totient is φ = 24350544.

The previous prime is 49377623. The next prime is 49377641. The reversal of 49377638 is 83677394.

It is a happy number.

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

It is a super-2 number, since 2×49377638² = 4876302268918088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49377592 and 49377601.

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, 168956 + ... + 169247.

It is an arithmetic number, because the mean of its divisors is an integer number (9385161).

Almost surely, 2^49377638 is an apocalyptic number.

49377638 is a deficient number, since it is larger than the sum of its proper divisors (25703650).

49377638 is a wasteful number, since it uses less digits than its factorization.

49377638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338278.

The product of its digits is 762048, while the sum is 47.

The square root of 49377638 is about 7026.9223704265. The cubic root of 49377638 is about 366.8682294894.

The spelling of 49377638 in words is "forty-nine million, three hundred seventy-seven thousand, six hundred thirty-eight".