49391436 has 12 divisors (see below), whose sum is σ = 115246712. Its totient is φ = 16463808.

The previous prime is 49391423. The next prime is 49391449. The reversal of 49391436 is 63419394.

It is an interprime number because it is at equal distance from previous prime (49391423) and next prime (49391449).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 49391394 and 49391403.

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, 2057965 + ... + 2057988.

Almost surely, 2^49391436 is an apocalyptic number.

It is an amenable number.

49391436 is an abundant number, since it is smaller than the sum of its proper divisors (65855276).

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

49391436 is a wasteful number, since it uses less digits than its factorization.

49391436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115960 (or 4115958 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 49391436 is about 7027.9040972398. The cubic root of 49391436 is about 366.9023986437.

The spelling of 49391436 in words is "forty-nine million, three hundred ninety-one thousand, four hundred thirty-six".