1553902 has 16 divisors (see below), whose sum is σ = 2820960. Its totient is φ = 626688.

The previous prime is 1553897. The next prime is 1553927. The reversal of 1553902 is 2093551.

It is a super-2 number, since 2×1553902² = 4829222851208, which contains 22 as substring.

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, 3027 + ... + 3502.

It is an arithmetic number, because the mean of its divisors is an integer number (176310).

2^1553902 is an apocalyptic number.

1553902 is a deficient number, since it is larger than the sum of its proper divisors (1267058).

1553902 is a wasteful number, since it uses less digits than its factorization.

1553902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1553902 is about 1246.5560556991. The cubic root of 1553902 is about 115.8264845366.

The spelling of 1553902 in words is "one million, five hundred fifty-three thousand, nine hundred two".