1552939 has 4 divisors (see below), whose sum is σ = 1579320. Its totient is φ = 1526560.

The previous prime is 1552919. The next prime is 1552949. The reversal of 1552939 is 9392551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1552939 - 2¹⁷ = 1421867 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1552909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13102 + ... + 13219.

It is an arithmetic number, because the mean of its divisors is an integer number (394830).

2^1552939 is an apocalyptic number.

1552939 is a deficient number, since it is larger than the sum of its proper divisors (26381).

1552939 is an equidigital number, since it uses as much as digits as its factorization.

1552939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26380.

The product of its digits is 12150, while the sum is 34.

The square root of 1552939 is about 1246.1697316176. The cubic root of 1552939 is about 115.8025525353.

The spelling of 1552939 in words is "one million, five hundred fifty-two thousand, nine hundred thirty-nine".