1354990 has 32 divisors (see below), whose sum is σ = 3003840. Its totient is φ = 428544.

The previous prime is 1354987. The next prime is 1355021. The reversal of 1354990 is 994531.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (93870).

2^1354990 is an apocalyptic number.

1354990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1354990 is an abundant number, since it is smaller than the sum of its proper divisors (1648850).

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

1354990 is a wasteful number, since it uses less digits than its factorization.

1354990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1354990 is about 1164.0403773066. The cubic root of 1354990 is about 110.6569502445.

The spelling of 1354990 in words is "one million, three hundred fifty-four thousand, nine hundred ninety".