1552920 has 32 divisors (see below), whose sum is σ = 4659120. Its totient is φ = 414080.

The previous prime is 1552919. The next prime is 1552949. The reversal of 1552920 is 292551.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 6351 + ... + 6590.

2^1552920 is an apocalyptic number.

1552920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552920 is an abundant number, since it is smaller than the sum of its proper divisors (3106200).

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

1552920 is a wasteful number, since it uses less digits than its factorization.

1552920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12955 (or 12951 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1552920 is about 1246.1621082347. The cubic root of 1552920 is about 115.8020802571.

The spelling of 1552920 in words is "one million, five hundred fifty-two thousand, nine hundred twenty".