1554396 has 12 divisors (see below), whose sum is σ = 3626952. Its totient is φ = 518128.

The previous prime is 1554391. The next prime is 1554401. The reversal of 1554396 is 6934551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1554391) and next prime (1554401).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1554396² = 4832293849632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1554391) 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, 64755 + ... + 64778.

It is an arithmetic number, because the mean of its divisors is an integer number (302246).

2^1554396 is an apocalyptic number.

It is an amenable number.

1554396 is an abundant number, since it is smaller than the sum of its proper divisors (2072556).

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

1554396 is a wasteful number, since it uses less digits than its factorization.

1554396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129540 (or 129538 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 1554396 is about 1246.7541858763. The cubic root of 1554396 is about 115.8387573442.

It can be divided in two parts, 15543 and 96, that multiplied together give a triangular number (1492128 = T₁₇₂₇).

The spelling of 1554396 in words is "one million, five hundred fifty-four thousand, three hundred ninety-six".