49020830 has 16 divisors (see below), whose sum is σ = 90390384. Its totient is φ = 19129920.

The previous prime is 49020823. The next prime is 49020847. The reversal of 49020830 is 3802094.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49020830.

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, 59372 + ... + 60191.

It is an arithmetic number, because the mean of its divisors is an integer number (5649399).

Almost surely, 2^49020830 is an apocalyptic number.

49020830 is a deficient number, since it is larger than the sum of its proper divisors (41369554).

49020830 is a wasteful number, since it uses less digits than its factorization.

49020830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119611.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 49020830 is about 7001.4876990537. The cubic root of 49020830 is about 365.9824162673.

The spelling of 49020830 in words is "forty-nine million, twenty thousand, eight hundred thirty".