1949355 has 12 divisors (see below), whose sum is σ = 3378960. Its totient is φ = 1039632.

The previous prime is 1949341. The next prime is 1949357. The reversal of 1949355 is 5539491.

It is not a de Polignac number, because 1949355 - 2¹¹ = 1947307 is a prime.

1949355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1949357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21615 + ... + 21704.

It is an arithmetic number, because the mean of its divisors is an integer number (281580).

2^1949355 is an apocalyptic number.

1949355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1949355 is a deficient number, since it is larger than the sum of its proper divisors (1429605).

1949355 is a wasteful number, since it uses less digits than its factorization.

1949355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43330 (or 43327 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 1949355 is about 1396.1930382293. The cubic root of 1949355 is about 124.9195215302.

It can be divided in two parts, 1949 and 355, that added together give a square (2304 = 48²).

The spelling of 1949355 in words is "one million, nine hundred forty-nine thousand, three hundred fifty-five".