1949000 has 32 divisors (see below), whose sum is σ = 4563000. Its totient is φ = 779200.

The previous prime is 1948993. The next prime is 1949023. The reversal of 1949000 is 9491.

It can be written as a sum of positive squares in 4 ways, for example, as 879844 + 1069156 = 938^2 + 1034^2 .

It is a plaindrome in base 11.

It is a nialpdrome in base 5.

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, 26 + ... + 1974.

2^1949000 is an apocalyptic number.

1949000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281500).

1949000 is an abundant number, since it is smaller than the sum of its proper divisors (2614000).

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

1949000 is a wasteful number, since it uses less digits than its factorization.

1949000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1949000 is about 1396.0659010233. The cubic root of 1949000 is about 124.9119379752.

The spelling of 1949000 in words is "one million, nine hundred forty-nine thousand".