49369830 has 16 divisors (see below), whose sum is σ = 118487664. Its totient is φ = 13165280.

The previous prime is 49369829. The next prime is 49369841. The reversal of 49369830 is 3896394.

It is a super-2 number, since 2×49369830² = 4874760228457800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822801 + ... + 822860.

It is an arithmetic number, because the mean of its divisors is an integer number (7405479).

Almost surely, 2^49369830 is an apocalyptic number.

49369830 is an abundant number, since it is smaller than the sum of its proper divisors (69117834).

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

49369830 is a wasteful number, since it uses less digits than its factorization.

49369830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645671.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 49369830 is about 7026.3667709564. The cubic root of 49369830 is about 366.8488910584.

The spelling of 49369830 in words is "forty-nine million, three hundred sixty-nine thousand, eight hundred thirty".