49005390 has 192 divisors, whose sum is σ = 151585344. Its totient is φ = 10063872.

The previous prime is 49005379. The next prime is 49005401. The reversal of 49005390 is 9350094.

49005390 = T₃₆ + T₃₇ + ... + T₆₆₄.

It is an interprime number because it is at equal distance from previous prime (49005379) and next prime (49005401).

It is a Harshad number since it is a multiple of its sum of digits (30).

49005390 is a modest number, since divided by 5390 gives 4900 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 924604 + ... + 924656.

It is an arithmetic number, because the mean of its divisors is an integer number (789507).

Almost surely, 2^49005390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49005390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75792672).

49005390 is an abundant number, since it is smaller than the sum of its proper divisors (102579954).

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

49005390 is a wasteful number, since it uses less digits than its factorization.

49005390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 49005390 is about 7000.3849894131. The cubic root of 49005390 is about 365.9439879646.

The spelling of 49005390 in words is "forty-nine million, five thousand, three hundred ninety".